Home / 8,791.26-12,132.27-5,015.04

Finding the Fourth Proportional to 8,791.26, 12,132.27 and 5,015.04

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Solution

The fourth proportional to 8,791.26, 12,132.27 and 5,015.04 is: 6,920.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.26 : 12,132.27 = 5,015.04 : x
  2. Step 2: Convert to fraction form
    8,791.26/12,132.27 = 5,015.04/x
  3. Step 3: Cross multiply
    8,791.26x = 12,132.27 × 5,015.04
  4. Step 4: Simplify right side
    8,791.26x = 60,843,831.88
  5. Step 5: Solve for x
    x = 60,843,831.88/8,791.26
  6. Step 6: Final answer
    x = 6,920.95

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1.5x scale

Why These Related Problems?

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