Home / 8,854.30-13,275.28-3,921.27

Finding the Fourth Proportional to 8,854.30, 13,275.28 and 3,921.27

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Solution

The fourth proportional to 8,854.30, 13,275.28 and 3,921.27 is: 5,879.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.30 : 13,275.28 = 3,921.27 : x
  2. Step 2: Convert to fraction form
    8,854.30/13,275.28 = 3,921.27/x
  3. Step 3: Cross multiply
    8,854.30x = 13,275.28 × 3,921.27
  4. Step 4: Simplify right side
    8,854.30x = 52,055,957.21
  5. Step 5: Solve for x
    x = 52,055,957.21/8,854.30
  6. Step 6: Final answer
    x = 5,879.17

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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.