Home / 7,380.39-11,066.88-2,449.20

Finding the Fourth Proportional to 7,380.39, 11,066.88 and 2,449.20

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Solution

The fourth proportional to 7,380.39, 11,066.88 and 2,449.20 is: 3,672.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.39 : 11,066.88 = 2,449.20 : x
  2. Step 2: Convert to fraction form
    7,380.39/11,066.88 = 2,449.20/x
  3. Step 3: Cross multiply
    7,380.39x = 11,066.88 × 2,449.20
  4. Step 4: Simplify right side
    7,380.39x = 27,105,002.50
  5. Step 5: Solve for x
    x = 27,105,002.50/7,380.39
  6. Step 6: Final answer
    x = 3,672.57

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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.