Home / 8,785.52-13,180.05-3,238.90

Finding the Fourth Proportional to 8,785.52, 13,180.05 and 3,238.90

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Solution

The fourth proportional to 8,785.52, 13,180.05 and 3,238.90 is: 4,859.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.52 : 13,180.05 = 3,238.90 : x
  2. Step 2: Convert to fraction form
    8,785.52/13,180.05 = 3,238.90/x
  3. Step 3: Cross multiply
    8,785.52x = 13,180.05 × 3,238.90
  4. Step 4: Simplify right side
    8,785.52x = 42,688,863.95
  5. Step 5: Solve for x
    x = 42,688,863.95/8,785.52
  6. Step 6: Final answer
    x = 4,859.00

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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.