Home / 8,526.66-12,791.20-2,681.90

Finding the Fourth Proportional to 8,526.66, 12,791.20 and 2,681.90

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Solution

The fourth proportional to 8,526.66, 12,791.20 and 2,681.90 is: 4,023.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,526.66 : 12,791.20 = 2,681.90 : x
  2. Step 2: Convert to fraction form
    8,526.66/12,791.20 = 2,681.90/x
  3. Step 3: Cross multiply
    8,526.66x = 12,791.20 × 2,681.90
  4. Step 4: Simplify right side
    8,526.66x = 34,304,719.28
  5. Step 5: Solve for x
    x = 34,304,719.28/8,526.66
  6. Step 6: Final answer
    x = 4,023.23

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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.