Home / 8,789.28-13,182.24-2,633.28

Finding the Fourth Proportional to 8,789.28, 13,182.24 and 2,633.28

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Solution

The fourth proportional to 8,789.28, 13,182.24 and 2,633.28 is: 3,949.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.28 : 13,182.24 = 2,633.28 : x
  2. Step 2: Convert to fraction form
    8,789.28/13,182.24 = 2,633.28/x
  3. Step 3: Cross multiply
    8,789.28x = 13,182.24 × 2,633.28
  4. Step 4: Simplify right side
    8,789.28x = 34,712,528.95
  5. Step 5: Solve for x
    x = 34,712,528.95/8,789.28
  6. Step 6: Final answer
    x = 3,949.42

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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.