Home / 5,439.63-8,160.02-2,319.97

Finding the Fourth Proportional to 5,439.63, 8,160.02 and 2,319.97

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Solution

The fourth proportional to 5,439.63, 8,160.02 and 2,319.97 is: 3,480.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.63 : 8,160.02 = 2,319.97 : x
  2. Step 2: Convert to fraction form
    5,439.63/8,160.02 = 2,319.97/x
  3. Step 3: Cross multiply
    5,439.63x = 8,160.02 × 2,319.97
  4. Step 4: Simplify right side
    5,439.63x = 18,930,949.20
  5. Step 5: Solve for x
    x = 18,930,949.20/5,439.63
  6. Step 6: Final answer
    x = 3,480.19

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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.