Home / 7,159.80-10,742.94-3,002.88

Finding the Fourth Proportional to 7,159.80, 10,742.94 and 3,002.88

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Solution

The fourth proportional to 7,159.80, 10,742.94 and 3,002.88 is: 4,505.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.80 : 10,742.94 = 3,002.88 : x
  2. Step 2: Convert to fraction form
    7,159.80/10,742.94 = 3,002.88/x
  3. Step 3: Cross multiply
    7,159.80x = 10,742.94 × 3,002.88
  4. Step 4: Simplify right side
    7,159.80x = 32,259,759.67
  5. Step 5: Solve for x
    x = 32,259,759.67/7,159.80
  6. Step 6: Final answer
    x = 4,505.68

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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.