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Finding the Fourth Proportional to 8,602.26, 12,882.54 and 4,374.39

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Solution

The fourth proportional to 8,602.26, 12,882.54 and 4,374.39 is: 6,550.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,602.26 : 12,882.54 = 4,374.39 : x
  2. Step 2: Convert to fraction form
    8,602.26/12,882.54 = 4,374.39/x
  3. Step 3: Cross multiply
    8,602.26x = 12,882.54 × 4,374.39
  4. Step 4: Simplify right side
    8,602.26x = 56,353,254.15
  5. Step 5: Solve for x
    x = 56,353,254.15/8,602.26
  6. Step 6: Final answer
    x = 6,550.98

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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.