Home / 5,363.39-7,397.53-3,125.13

Finding the Fourth Proportional to 5,363.39, 7,397.53 and 3,125.13

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Solution

The fourth proportional to 5,363.39, 7,397.53 and 3,125.13 is: 4,310.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363.39 : 7,397.53 = 3,125.13 : x
  2. Step 2: Convert to fraction form
    5,363.39/7,397.53 = 3,125.13/x
  3. Step 3: Cross multiply
    5,363.39x = 7,397.53 × 3,125.13
  4. Step 4: Simplify right side
    5,363.39x = 23,118,248.99
  5. Step 5: Solve for x
    x = 23,118,248.99/5,363.39
  6. Step 6: Final answer
    x = 4,310.38

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Half scale
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Double scale
Find fourth proportional to 5,364.39, 7,398.91 and 3,126.13
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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.