Home / 8,268.11-12,402.94-2,721.47

Finding the Fourth Proportional to 8,268.11, 12,402.94 and 2,721.47

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Solution

The fourth proportional to 8,268.11, 12,402.94 and 2,721.47 is: 4,082.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.11 : 12,402.94 = 2,721.47 : x
  2. Step 2: Convert to fraction form
    8,268.11/12,402.94 = 2,721.47/x
  3. Step 3: Cross multiply
    8,268.11x = 12,402.94 × 2,721.47
  4. Step 4: Simplify right side
    8,268.11x = 33,754,165.41
  5. Step 5: Solve for x
    x = 33,754,165.41/8,268.11
  6. Step 6: Final answer
    x = 4,082.45

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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.