Home / 5,072.24-7,602.36-2,469.20

Finding the Fourth Proportional to 5,072.24, 7,602.36 and 2,469.20

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Solution

The fourth proportional to 5,072.24, 7,602.36 and 2,469.20 is: 3,700.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.24 : 7,602.36 = 2,469.20 : x
  2. Step 2: Convert to fraction form
    5,072.24/7,602.36 = 2,469.20/x
  3. Step 3: Cross multiply
    5,072.24x = 7,602.36 × 2,469.20
  4. Step 4: Simplify right side
    5,072.24x = 18,771,747.31
  5. Step 5: Solve for x
    x = 18,771,747.31/5,072.24
  6. Step 6: Final answer
    x = 3,700.88

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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.