Home / 8,785.45-13,179.10-2,862.80

Finding the Fourth Proportional to 8,785.45, 13,179.10 and 2,862.80

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Solution

The fourth proportional to 8,785.45, 13,179.10 and 2,862.80 is: 4,294.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.45 : 13,179.10 = 2,862.80 : x
  2. Step 2: Convert to fraction form
    8,785.45/13,179.10 = 2,862.80/x
  3. Step 3: Cross multiply
    8,785.45x = 13,179.10 × 2,862.80
  4. Step 4: Simplify right side
    8,785.45x = 37,729,127.48
  5. Step 5: Solve for x
    x = 37,729,127.48/8,785.45
  6. Step 6: Final answer
    x = 4,294.50

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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.