Home / 7,229.10-10,847.28-2,849.70

Finding the Fourth Proportional to 7,229.10, 10,847.28 and 2,849.70

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Solution

The fourth proportional to 7,229.10, 10,847.28 and 2,849.70 is: 4,275.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,229.10 : 10,847.28 = 2,849.70 : x
  2. Step 2: Convert to fraction form
    7,229.10/10,847.28 = 2,849.70/x
  3. Step 3: Cross multiply
    7,229.10x = 10,847.28 × 2,849.70
  4. Step 4: Simplify right side
    7,229.10x = 30,911,493.82
  5. Step 5: Solve for x
    x = 30,911,493.82/7,229.10
  6. Step 6: Final answer
    x = 4,275.98

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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.