Home / 10,761.31-16,140.66-2,864.40

Finding the Fourth Proportional to 10,761.31, 16,140.66 and 2,864.40

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Solution

The fourth proportional to 10,761.31, 16,140.66 and 2,864.40 is: 4,296.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,761.31 : 16,140.66 = 2,864.40 : x
  2. Step 2: Convert to fraction form
    10,761.31/16,140.66 = 2,864.40/x
  3. Step 3: Cross multiply
    10,761.31x = 16,140.66 × 2,864.40
  4. Step 4: Simplify right side
    10,761.31x = 46,233,306.50
  5. Step 5: Solve for x
    x = 46,233,306.50/10,761.31
  6. Step 6: Final answer
    x = 4,296.25

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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.