Home / 7,387.32-11,082.79-2,193.20

Finding the Fourth Proportional to 7,387.32, 11,082.79 and 2,193.20

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Solution

The fourth proportional to 7,387.32, 11,082.79 and 2,193.20 is: 3,290.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.32 : 11,082.79 = 2,193.20 : x
  2. Step 2: Convert to fraction form
    7,387.32/11,082.79 = 2,193.20/x
  3. Step 3: Cross multiply
    7,387.32x = 11,082.79 × 2,193.20
  4. Step 4: Simplify right side
    7,387.32x = 24,306,775.03
  5. Step 5: Solve for x
    x = 24,306,775.03/7,387.32
  6. Step 6: Final answer
    x = 3,290.34

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1.5x scale

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.