Home / 8,854.13-13,278.75-3,309.68

Finding the Fourth Proportional to 8,854.13, 13,278.75 and 3,309.68

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Solution

The fourth proportional to 8,854.13, 13,278.75 and 3,309.68 is: 4,963.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.13 : 13,278.75 = 3,309.68 : x
  2. Step 2: Convert to fraction form
    8,854.13/13,278.75 = 3,309.68/x
  3. Step 3: Cross multiply
    8,854.13x = 13,278.75 × 3,309.68
  4. Step 4: Simplify right side
    8,854.13x = 43,948,346.91
  5. Step 5: Solve for x
    x = 43,948,346.91/8,854.13
  6. Step 6: Final answer
    x = 4,963.60

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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.