Home / 5,226.30-7,211.91-2,867.97

Finding the Fourth Proportional to 5,226.30, 7,211.91 and 2,867.97

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Solution

The fourth proportional to 5,226.30, 7,211.91 and 2,867.97 is: 3,957.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.30 : 7,211.91 = 2,867.97 : x
  2. Step 2: Convert to fraction form
    5,226.30/7,211.91 = 2,867.97/x
  3. Step 3: Cross multiply
    5,226.30x = 7,211.91 × 2,867.97
  4. Step 4: Simplify right side
    5,226.30x = 20,683,541.52
  5. Step 5: Solve for x
    x = 20,683,541.52/5,226.30
  6. Step 6: Final answer
    x = 3,957.59

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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.