Home / 5,454.24-8,178.17-2,988.39

Finding the Fourth Proportional to 5,454.24, 8,178.17 and 2,988.39

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Solution

The fourth proportional to 5,454.24, 8,178.17 and 2,988.39 is: 4,480.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.24 : 8,178.17 = 2,988.39 : x
  2. Step 2: Convert to fraction form
    5,454.24/8,178.17 = 2,988.39/x
  3. Step 3: Cross multiply
    5,454.24x = 8,178.17 × 2,988.39
  4. Step 4: Simplify right side
    5,454.24x = 24,439,577.17
  5. Step 5: Solve for x
    x = 24,439,577.17/5,454.24
  6. Step 6: Final answer
    x = 4,480.84

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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.