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Finding the Fourth Proportional to 8,398.26, 12,597.41 and 3,775.86

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Solution

The fourth proportional to 8,398.26, 12,597.41 and 3,775.86 is: 5,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398.26 : 12,597.41 = 3,775.86 : x
  2. Step 2: Convert to fraction form
    8,398.26/12,597.41 = 3,775.86/x
  3. Step 3: Cross multiply
    8,398.26x = 12,597.41 × 3,775.86
  4. Step 4: Simplify right side
    8,398.26x = 47,566,056.52
  5. Step 5: Solve for x
    x = 47,566,056.52/8,398.26
  6. Step 6: Final answer
    x = 5,663.80

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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.