Home / 5,265.59-7,263.89-3,139.62

Finding the Fourth Proportional to 5,265.59, 7,263.89 and 3,139.62

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Solution

The fourth proportional to 5,265.59, 7,263.89 and 3,139.62 is: 4,331.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265.59 : 7,263.89 = 3,139.62 : x
  2. Step 2: Convert to fraction form
    5,265.59/7,263.89 = 3,139.62/x
  3. Step 3: Cross multiply
    5,265.59x = 7,263.89 × 3,139.62
  4. Step 4: Simplify right side
    5,265.59x = 22,805,838.62
  5. Step 5: Solve for x
    x = 22,805,838.62/5,265.59
  6. Step 6: Final answer
    x = 4,331.11

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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.