Home / 10,539.30-15,808.57-2,641.88

Finding the Fourth Proportional to 10,539.30, 15,808.57 and 2,641.88

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Solution

The fourth proportional to 10,539.30, 15,808.57 and 2,641.88 is: 3,962.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,539.30 : 15,808.57 = 2,641.88 : x
  2. Step 2: Convert to fraction form
    10,539.30/15,808.57 = 2,641.88/x
  3. Step 3: Cross multiply
    10,539.30x = 15,808.57 × 2,641.88
  4. Step 4: Simplify right side
    10,539.30x = 41,764,344.91
  5. Step 5: Solve for x
    x = 41,764,344.91/10,539.30
  6. Step 6: Final answer
    x = 3,962.72

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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.