Home / 7,269.12-10,891.36-4,488.88

Finding the Fourth Proportional to 7,269.12, 10,891.36 and 4,488.88

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Solution

The fourth proportional to 7,269.12, 10,891.36 and 4,488.88 is: 6,725.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,269.12 : 10,891.36 = 4,488.88 : x
  2. Step 2: Convert to fraction form
    7,269.12/10,891.36 = 4,488.88/x
  3. Step 3: Cross multiply
    7,269.12x = 10,891.36 × 4,488.88
  4. Step 4: Simplify right side
    7,269.12x = 48,890,008.08
  5. Step 5: Solve for x
    x = 48,890,008.08/7,269.12
  6. Step 6: Final answer
    x = 6,725.71

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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.