Home / 8,079.57-11,148.91-4,542.71

Finding the Fourth Proportional to 8,079.57, 11,148.91 and 4,542.71

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Solution

The fourth proportional to 8,079.57, 11,148.91 and 4,542.71 is: 6,268.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.57 : 11,148.91 = 4,542.71 : x
  2. Step 2: Convert to fraction form
    8,079.57/11,148.91 = 4,542.71/x
  3. Step 3: Cross multiply
    8,079.57x = 11,148.91 × 4,542.71
  4. Step 4: Simplify right side
    8,079.57x = 50,646,197.84
  5. Step 5: Solve for x
    x = 50,646,197.84/8,079.57
  6. Step 6: Final answer
    x = 6,268.43

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.