Home / 6,278.67-9,422.19-2,815.92

Finding the Fourth Proportional to 6,278.67, 9,422.19 and 2,815.92

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Solution

The fourth proportional to 6,278.67, 9,422.19 and 2,815.92 is: 4,225.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.67 : 9,422.19 = 2,815.92 : x
  2. Step 2: Convert to fraction form
    6,278.67/9,422.19 = 2,815.92/x
  3. Step 3: Cross multiply
    6,278.67x = 9,422.19 × 2,815.92
  4. Step 4: Simplify right side
    6,278.67x = 26,532,133.26
  5. Step 5: Solve for x
    x = 26,532,133.26/6,278.67
  6. Step 6: Final answer
    x = 4,225.76

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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.