Home / 8,820.80-13,232.71-2,976.04

Finding the Fourth Proportional to 8,820.80, 13,232.71 and 2,976.04

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Solution

The fourth proportional to 8,820.80, 13,232.71 and 2,976.04 is: 4,464.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.80 : 13,232.71 = 2,976.04 : x
  2. Step 2: Convert to fraction form
    8,820.80/13,232.71 = 2,976.04/x
  3. Step 3: Cross multiply
    8,820.80x = 13,232.71 × 2,976.04
  4. Step 4: Simplify right side
    8,820.80x = 39,381,008.10
  5. Step 5: Solve for x
    x = 39,381,008.10/8,820.80
  6. Step 6: Final answer
    x = 4,464.56

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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.