Home / 8,831.52-12,191.28-5,294.16

Finding the Fourth Proportional to 8,831.52, 12,191.28 and 5,294.16

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Solution

The fourth proportional to 8,831.52, 12,191.28 and 5,294.16 is: 7,308.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.52 : 12,191.28 = 5,294.16 : x
  2. Step 2: Convert to fraction form
    8,831.52/12,191.28 = 5,294.16/x
  3. Step 3: Cross multiply
    8,831.52x = 12,191.28 × 5,294.16
  4. Step 4: Simplify right side
    8,831.52x = 64,542,586.92
  5. Step 5: Solve for x
    x = 64,542,586.92/8,831.52
  6. Step 6: Final answer
    x = 7,308.21

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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.