Home / 7,250.28-10,877.76-2,865.30

Finding the Fourth Proportional to 7,250.28, 10,877.76 and 2,865.30

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Solution

The fourth proportional to 7,250.28, 10,877.76 and 2,865.30 is: 4,298.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250.28 : 10,877.76 = 2,865.30 : x
  2. Step 2: Convert to fraction form
    7,250.28/10,877.76 = 2,865.30/x
  3. Step 3: Cross multiply
    7,250.28x = 10,877.76 × 2,865.30
  4. Step 4: Simplify right side
    7,250.28x = 31,168,045.73
  5. Step 5: Solve for x
    x = 31,168,045.73/7,250.28
  6. Step 6: Final answer
    x = 4,298.87

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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.