Home / 8,831.21-13,248.59-2,591.42

Finding the Fourth Proportional to 8,831.21, 13,248.59 and 2,591.42

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Solution

The fourth proportional to 8,831.21, 13,248.59 and 2,591.42 is: 3,887.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.21 : 13,248.59 = 2,591.42 : x
  2. Step 2: Convert to fraction form
    8,831.21/13,248.59 = 2,591.42/x
  3. Step 3: Cross multiply
    8,831.21x = 13,248.59 × 2,591.42
  4. Step 4: Simplify right side
    8,831.21x = 34,332,581.90
  5. Step 5: Solve for x
    x = 34,332,581.90/8,831.21
  6. Step 6: Final answer
    x = 3,887.64

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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.