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Finding the Fourth Proportional to 8,351.65, 12,527.58 and 2,507.92

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Solution

The fourth proportional to 8,351.65, 12,527.58 and 2,507.92 is: 3,761.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,351.65 : 12,527.58 = 2,507.92 : x
  2. Step 2: Convert to fraction form
    8,351.65/12,527.58 = 2,507.92/x
  3. Step 3: Cross multiply
    8,351.65x = 12,527.58 × 2,507.92
  4. Step 4: Simplify right side
    8,351.65x = 31,418,168.43
  5. Step 5: Solve for x
    x = 31,418,168.43/8,351.65
  6. Step 6: Final answer
    x = 3,761.91

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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.