Home / 8,785.88-13,180.64-3,591.75

Finding the Fourth Proportional to 8,785.88, 13,180.64 and 3,591.75

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Solution

The fourth proportional to 8,785.88, 13,180.64 and 3,591.75 is: 5,388.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.88 : 13,180.64 = 3,591.75 : x
  2. Step 2: Convert to fraction form
    8,785.88/13,180.64 = 3,591.75/x
  3. Step 3: Cross multiply
    8,785.88x = 13,180.64 × 3,591.75
  4. Step 4: Simplify right side
    8,785.88x = 47,341,545.76
  5. Step 5: Solve for x
    x = 47,341,545.76/8,785.88
  6. Step 6: Final answer
    x = 5,388.37

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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.