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Finding the Fourth Proportional to 8,359.68, 12,534.72 and 2,514.56

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Solution

The fourth proportional to 8,359.68, 12,534.72 and 2,514.56 is: 3,770.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359.68 : 12,534.72 = 2,514.56 : x
  2. Step 2: Convert to fraction form
    8,359.68/12,534.72 = 2,514.56/x
  3. Step 3: Cross multiply
    8,359.68x = 12,534.72 × 2,514.56
  4. Step 4: Simplify right side
    8,359.68x = 31,519,305.52
  5. Step 5: Solve for x
    x = 31,519,305.52/8,359.68
  6. Step 6: Final answer
    x = 3,770.40

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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.