Home / 7,310.80-10,967.36-2,380.04

Finding the Fourth Proportional to 7,310.80, 10,967.36 and 2,380.04

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Solution

The fourth proportional to 7,310.80, 10,967.36 and 2,380.04 is: 3,570.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.80 : 10,967.36 = 2,380.04 : x
  2. Step 2: Convert to fraction form
    7,310.80/10,967.36 = 2,380.04/x
  3. Step 3: Cross multiply
    7,310.80x = 10,967.36 × 2,380.04
  4. Step 4: Simplify right side
    7,310.80x = 26,102,755.49
  5. Step 5: Solve for x
    x = 26,102,755.49/7,310.80
  6. Step 6: Final answer
    x = 3,570.44

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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.