Home / 5,397.31-8,079.20-2,926

Finding the Fourth Proportional to 5,397.31, 8,079.20 and 2,926

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Solution

The fourth proportional to 5,397.31, 8,079.20 and 2,926 is: 4,379.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.31 : 8,079.20 = 2,926 : x
  2. Step 2: Convert to fraction form
    5,397.31/8,079.20 = 2,926/x
  3. Step 3: Cross multiply
    5,397.31x = 8,079.20 × 2,926
  4. Step 4: Simplify right side
    5,397.31x = 23,639,724.57
  5. Step 5: Solve for x
    x = 23,639,724.57/5,397.31
  6. Step 6: Final answer
    x = 4,379.91

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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.