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Finding the Fourth Proportional to 8,594.78, 12,892.19 and 2,354.85

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Solution

The fourth proportional to 8,594.78, 12,892.19 and 2,354.85 is: 3,532.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,594.78 : 12,892.19 = 2,354.85 : x
  2. Step 2: Convert to fraction form
    8,594.78/12,892.19 = 2,354.85/x
  3. Step 3: Cross multiply
    8,594.78x = 12,892.19 × 2,354.85
  4. Step 4: Simplify right side
    8,594.78x = 30,359,161.85
  5. Step 5: Solve for x
    x = 30,359,161.85/8,594.78
  6. Step 6: Final answer
    x = 3,532.28

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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.