Home / 6,457.32-9,687.60-2,561.76

Finding the Fourth Proportional to 6,457.32, 9,687.60 and 2,561.76

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Solution

The fourth proportional to 6,457.32, 9,687.60 and 2,561.76 is: 3,843.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457.32 : 9,687.60 = 2,561.76 : x
  2. Step 2: Convert to fraction form
    6,457.32/9,687.60 = 2,561.76/x
  3. Step 3: Cross multiply
    6,457.32x = 9,687.60 × 2,561.76
  4. Step 4: Simplify right side
    6,457.32x = 24,817,306.18
  5. Step 5: Solve for x
    x = 24,817,306.18/6,457.32
  6. Step 6: Final answer
    x = 3,843.28

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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.