Home / 8,831.15-13,247.20-2,257.39

Finding the Fourth Proportional to 8,831.15, 13,247.20 and 2,257.39

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Solution

The fourth proportional to 8,831.15, 13,247.20 and 2,257.39 is: 3,386.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.15 : 13,247.20 = 2,257.39 : x
  2. Step 2: Convert to fraction form
    8,831.15/13,247.20 = 2,257.39/x
  3. Step 3: Cross multiply
    8,831.15x = 13,247.20 × 2,257.39
  4. Step 4: Simplify right side
    8,831.15x = 29,904,085.52
  5. Step 5: Solve for x
    x = 29,904,085.52/8,831.15
  6. Step 6: Final answer
    x = 3,386.21

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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.