Home / 8,242.80-12,350.69-3,495.17

Finding the Fourth Proportional to 8,242.80, 12,350.69 and 3,495.17

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Solution

The fourth proportional to 8,242.80, 12,350.69 and 3,495.17 is: 5,237.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,242.80 : 12,350.69 = 3,495.17 : x
  2. Step 2: Convert to fraction form
    8,242.80/12,350.69 = 3,495.17/x
  3. Step 3: Cross multiply
    8,242.80x = 12,350.69 × 3,495.17
  4. Step 4: Simplify right side
    8,242.80x = 43,167,761.17
  5. Step 5: Solve for x
    x = 43,167,761.17/8,242.80
  6. Step 6: Final answer
    x = 5,237.03

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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.