Home / 8,831.58-13,249.16-2,591.78

Finding the Fourth Proportional to 8,831.58, 13,249.16 and 2,591.78

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Solution

The fourth proportional to 8,831.58, 13,249.16 and 2,591.78 is: 3,888.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.58 : 13,249.16 = 2,591.78 : x
  2. Step 2: Convert to fraction form
    8,831.58/13,249.16 = 2,591.78/x
  3. Step 3: Cross multiply
    8,831.58x = 13,249.16 × 2,591.78
  4. Step 4: Simplify right side
    8,831.58x = 34,338,828.70
  5. Step 5: Solve for x
    x = 34,338,828.70/8,831.58
  6. Step 6: Final answer
    x = 3,888.19

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1.5x scale

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.