Home / 8,854.80-13,276.05-3,921.75

Finding the Fourth Proportional to 8,854.80, 13,276.05 and 3,921.75

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Solution

The fourth proportional to 8,854.80, 13,276.05 and 3,921.75 is: 5,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.80 : 13,276.05 = 3,921.75 : x
  2. Step 2: Convert to fraction form
    8,854.80/13,276.05 = 3,921.75/x
  3. Step 3: Cross multiply
    8,854.80x = 13,276.05 × 3,921.75
  4. Step 4: Simplify right side
    8,854.80x = 52,065,349.09
  5. Step 5: Solve for x
    x = 52,065,349.09/8,854.80
  6. Step 6: Final answer
    x = 5,879.90

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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.