Home / 8,625.20-12,934.40-3,359.50

Finding the Fourth Proportional to 8,625.20, 12,934.40 and 3,359.50

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Solution

The fourth proportional to 8,625.20, 12,934.40 and 3,359.50 is: 5,037.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625.20 : 12,934.40 = 3,359.50 : x
  2. Step 2: Convert to fraction form
    8,625.20/12,934.40 = 3,359.50/x
  3. Step 3: Cross multiply
    8,625.20x = 12,934.40 × 3,359.50
  4. Step 4: Simplify right side
    8,625.20x = 43,453,067.67
  5. Step 5: Solve for x
    x = 43,453,067.67/8,625.20
  6. Step 6: Final answer
    x = 5,037.92

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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.