Home / 5,399.17-8,100.35-2,280.49

Finding the Fourth Proportional to 5,399.17, 8,100.35 and 2,280.49

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Solution

The fourth proportional to 5,399.17, 8,100.35 and 2,280.49 is: 3,421.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.17 : 8,100.35 = 2,280.49 : x
  2. Step 2: Convert to fraction form
    5,399.17/8,100.35 = 2,280.49/x
  3. Step 3: Cross multiply
    5,399.17x = 8,100.35 × 2,280.49
  4. Step 4: Simplify right side
    5,399.17x = 18,472,767.17
  5. Step 5: Solve for x
    x = 18,472,767.17/5,399.17
  6. Step 6: Final answer
    x = 3,421.41

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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.