Home / 8,899.43-12,275.26-5,358.95

Finding the Fourth Proportional to 8,899.43, 12,275.26 and 5,358.95

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Solution

The fourth proportional to 8,899.43, 12,275.26 and 5,358.95 is: 7,391.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899.43 : 12,275.26 = 5,358.95 : x
  2. Step 2: Convert to fraction form
    8,899.43/12,275.26 = 5,358.95/x
  3. Step 3: Cross multiply
    8,899.43x = 12,275.26 × 5,358.95
  4. Step 4: Simplify right side
    8,899.43x = 65,782,504.58
  5. Step 5: Solve for x
    x = 65,782,504.58/8,899.43
  6. Step 6: Final answer
    x = 7,391.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.