Home / 8,820.98-13,232.54-3,891.86

Finding the Fourth Proportional to 8,820.98, 13,232.54 and 3,891.86

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Solution

The fourth proportional to 8,820.98, 13,232.54 and 3,891.86 is: 5,838.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.98 : 13,232.54 = 3,891.86 : x
  2. Step 2: Convert to fraction form
    8,820.98/13,232.54 = 3,891.86/x
  3. Step 3: Cross multiply
    8,820.98x = 13,232.54 × 3,891.86
  4. Step 4: Simplify right side
    8,820.98x = 51,499,193.12
  5. Step 5: Solve for x
    x = 51,499,193.12/8,820.98
  6. Step 6: Final answer
    x = 5,838.26

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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.