Home / 9,049.68-12,488.44-5,070.76

Finding the Fourth Proportional to 9,049.68, 12,488.44 and 5,070.76

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Solution

The fourth proportional to 9,049.68, 12,488.44 and 5,070.76 is: 6,997.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,049.68 : 12,488.44 = 5,070.76 : x
  2. Step 2: Convert to fraction form
    9,049.68/12,488.44 = 5,070.76/x
  3. Step 3: Cross multiply
    9,049.68x = 12,488.44 × 5,070.76
  4. Step 4: Simplify right side
    9,049.68x = 63,325,882.01
  5. Step 5: Solve for x
    x = 63,325,882.01/9,049.68
  6. Step 6: Final answer
    x = 6,997.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.