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Finding the Fourth Proportional to 6,425.60, 9,640.80 and 2,532.72

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Solution

The fourth proportional to 6,425.60, 9,640.80 and 2,532.72 is: 3,800.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,425.60 : 9,640.80 = 2,532.72 : x
  2. Step 2: Convert to fraction form
    6,425.60/9,640.80 = 2,532.72/x
  3. Step 3: Cross multiply
    6,425.60x = 9,640.80 × 2,532.72
  4. Step 4: Simplify right side
    6,425.60x = 24,417,446.98
  5. Step 5: Solve for x
    x = 24,417,446.98/6,425.60
  6. Step 6: Final answer
    x = 3,800.03

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1.5x scale

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.