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Finding the Fourth Proportional to 8,397.99, 12,597.66 and 2,554.65

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Solution

The fourth proportional to 8,397.99, 12,597.66 and 2,554.65 is: 3,832.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,397.99 : 12,597.66 = 2,554.65 : x
  2. Step 2: Convert to fraction form
    8,397.99/12,597.66 = 2,554.65/x
  3. Step 3: Cross multiply
    8,397.99x = 12,597.66 × 2,554.65
  4. Step 4: Simplify right side
    8,397.99x = 32,182,612.12
  5. Step 5: Solve for x
    x = 32,182,612.12/8,397.99
  6. Step 6: Final answer
    x = 3,832.18

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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.