Home / 10,265.76-15,385.37-4,639.29

Finding the Fourth Proportional to 10,265.76, 15,385.37 and 4,639.29

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Solution

The fourth proportional to 10,265.76, 15,385.37 and 4,639.29 is: 6,952.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,265.76 : 15,385.37 = 4,639.29 : x
  2. Step 2: Convert to fraction form
    10,265.76/15,385.37 = 4,639.29/x
  3. Step 3: Cross multiply
    10,265.76x = 15,385.37 × 4,639.29
  4. Step 4: Simplify right side
    10,265.76x = 71,377,169.99
  5. Step 5: Solve for x
    x = 71,377,169.99/10,265.76
  6. Step 6: Final answer
    x = 6,952.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.