Home / 4,068-6,102.30-2,979.24

Finding the Fourth Proportional to 4,068, 6,102.30 and 2,979.24

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Solution

The fourth proportional to 4,068, 6,102.30 and 2,979.24 is: 4,469.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,068 : 6,102.30 = 2,979.24 : x
  2. Step 2: Convert to fraction form
    4,068/6,102.30 = 2,979.24/x
  3. Step 3: Cross multiply
    4,068x = 6,102.30 × 2,979.24
  4. Step 4: Simplify right side
    4,068x = 18,180,216.25
  5. Step 5: Solve for x
    x = 18,180,216.25/4,068
  6. Step 6: Final answer
    x = 4,469.08

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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.