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Finding the Fourth Proportional to 8,594, 12,893.16 and 2,438

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Solution

The fourth proportional to 8,594, 12,893.16 and 2,438 is: 3,657.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,594 : 12,893.16 = 2,438 : x
  2. Step 2: Convert to fraction form
    8,594/12,893.16 = 2,438/x
  3. Step 3: Cross multiply
    8,594x = 12,893.16 × 2,438
  4. Step 4: Simplify right side
    8,594x = 31,433,524.08
  5. Step 5: Solve for x
    x = 31,433,524.08/8,594
  6. Step 6: Final answer
    x = 3,657.61

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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.