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Finding the Fourth Proportional to 6,253.65, 8,612.52 and 6,117.57

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Solution

The fourth proportional to 6,253.65, 8,612.52 and 6,117.57 is: 8,425.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,253.65 : 8,612.52 = 6,117.57 : x
  2. Step 2: Convert to fraction form
    6,253.65/8,612.52 = 6,117.57/x
  3. Step 3: Cross multiply
    6,253.65x = 8,612.52 × 6,117.57
  4. Step 4: Simplify right side
    6,253.65x = 52,687,693.98
  5. Step 5: Solve for x
    x = 52,687,693.98/6,253.65
  6. Step 6: Final answer
    x = 8,425.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.