Home / 8,575.29-12,862.80-2,731.86

Finding the Fourth Proportional to 8,575.29, 12,862.80 and 2,731.86

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Solution

The fourth proportional to 8,575.29, 12,862.80 and 2,731.86 is: 4,097.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,575.29 : 12,862.80 = 2,731.86 : x
  2. Step 2: Convert to fraction form
    8,575.29/12,862.80 = 2,731.86/x
  3. Step 3: Cross multiply
    8,575.29x = 12,862.80 × 2,731.86
  4. Step 4: Simplify right side
    8,575.29x = 35,139,368.81
  5. Step 5: Solve for x
    x = 35,139,368.81/8,575.29
  6. Step 6: Final answer
    x = 4,097.75

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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.