Home / 5,398.26-8,091.99-2,280

Finding the Fourth Proportional to 5,398.26, 8,091.99 and 2,280

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Solution

The fourth proportional to 5,398.26, 8,091.99 and 2,280 is: 3,417.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.26 : 8,091.99 = 2,280 : x
  2. Step 2: Convert to fraction form
    5,398.26/8,091.99 = 2,280/x
  3. Step 3: Cross multiply
    5,398.26x = 8,091.99 × 2,280
  4. Step 4: Simplify right side
    5,398.26x = 18,449,737.20
  5. Step 5: Solve for x
    x = 18,449,737.20/5,398.26
  6. Step 6: Final answer
    x = 3,417.72

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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.