Home / 5,535.66-7,638.52-3,144.76

Finding the Fourth Proportional to 5,535.66, 7,638.52 and 3,144.76

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Solution

The fourth proportional to 5,535.66, 7,638.52 and 3,144.76 is: 4,339.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,535.66 : 7,638.52 = 3,144.76 : x
  2. Step 2: Convert to fraction form
    5,535.66/7,638.52 = 3,144.76/x
  3. Step 3: Cross multiply
    5,535.66x = 7,638.52 × 3,144.76
  4. Step 4: Simplify right side
    5,535.66x = 24,021,312.16
  5. Step 5: Solve for x
    x = 24,021,312.16/5,535.66
  6. Step 6: Final answer
    x = 4,339.38

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Find fourth proportional to 2,767.83, 3,819.26 and 1,572.38
Half scale
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Double scale
Find fourth proportional to 5,536.66, 7,639.90 and 3,145.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.