Home / 7,717.25-10,638.87-5,484.23

Finding the Fourth Proportional to 7,717.25, 10,638.87 and 5,484.23

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Solution

The fourth proportional to 7,717.25, 10,638.87 and 5,484.23 is: 7,560.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.25 : 10,638.87 = 5,484.23 : x
  2. Step 2: Convert to fraction form
    7,717.25/10,638.87 = 5,484.23/x
  3. Step 3: Cross multiply
    7,717.25x = 10,638.87 × 5,484.23
  4. Step 4: Simplify right side
    7,717.25x = 58,346,010.02
  5. Step 5: Solve for x
    x = 58,346,010.02/7,717.25
  6. Step 6: Final answer
    x = 7,560.47

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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.