Home / 8,831.55-13,249.38-2,591.31

Finding the Fourth Proportional to 8,831.55, 13,249.38 and 2,591.31

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Solution

The fourth proportional to 8,831.55, 13,249.38 and 2,591.31 is: 3,887.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.55 : 13,249.38 = 2,591.31 : x
  2. Step 2: Convert to fraction form
    8,831.55/13,249.38 = 2,591.31/x
  3. Step 3: Cross multiply
    8,831.55x = 13,249.38 × 2,591.31
  4. Step 4: Simplify right side
    8,831.55x = 34,333,237.93
  5. Step 5: Solve for x
    x = 34,333,237.93/8,831.55
  6. Step 6: Final answer
    x = 3,887.57

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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.