Home / 8,866.20-13,288.92-5,699.60

Finding the Fourth Proportional to 8,866.20, 13,288.92 and 5,699.60

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Solution

The fourth proportional to 8,866.20, 13,288.92 and 5,699.60 is: 8,542.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866.20 : 13,288.92 = 5,699.60 : x
  2. Step 2: Convert to fraction form
    8,866.20/13,288.92 = 5,699.60/x
  3. Step 3: Cross multiply
    8,866.20x = 13,288.92 × 5,699.60
  4. Step 4: Simplify right side
    8,866.20x = 75,741,528.43
  5. Step 5: Solve for x
    x = 75,741,528.43/8,866.20
  6. Step 6: Final answer
    x = 8,542.73

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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.