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Finding the Fourth Proportional to 8,568.66, 12,851.19 and 3,301.86

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Solution

The fourth proportional to 8,568.66, 12,851.19 and 3,301.86 is: 4,952.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,568.66 : 12,851.19 = 3,301.86 : x
  2. Step 2: Convert to fraction form
    8,568.66/12,851.19 = 3,301.86/x
  3. Step 3: Cross multiply
    8,568.66x = 12,851.19 × 3,301.86
  4. Step 4: Simplify right side
    8,568.66x = 42,432,830.21
  5. Step 5: Solve for x
    x = 42,432,830.21/8,568.66
  6. Step 6: Final answer
    x = 4,952.10

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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.