Home / 5,164.76-7,120.08-3,672.12

Finding the Fourth Proportional to 5,164.76, 7,120.08 and 3,672.12

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Solution

The fourth proportional to 5,164.76, 7,120.08 and 3,672.12 is: 5,062.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.76 : 7,120.08 = 3,672.12 : x
  2. Step 2: Convert to fraction form
    5,164.76/7,120.08 = 3,672.12/x
  3. Step 3: Cross multiply
    5,164.76x = 7,120.08 × 3,672.12
  4. Step 4: Simplify right side
    5,164.76x = 26,145,788.17
  5. Step 5: Solve for x
    x = 26,145,788.17/5,164.76
  6. Step 6: Final answer
    x = 5,062.34

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Half scale
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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.