Home / 8,831.14-13,238.47-2,983.66

Finding the Fourth Proportional to 8,831.14, 13,238.47 and 2,983.66

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Solution

The fourth proportional to 8,831.14, 13,238.47 and 2,983.66 is: 4,472.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.14 : 13,238.47 = 2,983.66 : x
  2. Step 2: Convert to fraction form
    8,831.14/13,238.47 = 2,983.66/x
  3. Step 3: Cross multiply
    8,831.14x = 13,238.47 × 2,983.66
  4. Step 4: Simplify right side
    8,831.14x = 39,499,064.03
  5. Step 5: Solve for x
    x = 39,499,064.03/8,831.14
  6. Step 6: Final answer
    x = 4,472.70

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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.