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Finding the Fourth Proportional to 8,345.57, 12,520.17 and 2,502.63

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Solution

The fourth proportional to 8,345.57, 12,520.17 and 2,502.63 is: 3,754.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345.57 : 12,520.17 = 2,502.63 : x
  2. Step 2: Convert to fraction form
    8,345.57/12,520.17 = 2,502.63/x
  3. Step 3: Cross multiply
    8,345.57x = 12,520.17 × 2,502.63
  4. Step 4: Simplify right side
    8,345.57x = 31,333,353.05
  5. Step 5: Solve for x
    x = 31,333,353.05/8,345.57
  6. Step 6: Final answer
    x = 3,754.49

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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.