Home / 5,102.24-7,649.74-1,979.61

Finding the Fourth Proportional to 5,102.24, 7,649.74 and 1,979.61

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Solution

The fourth proportional to 5,102.24, 7,649.74 and 1,979.61 is: 2,968.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.24 : 7,649.74 = 1,979.61 : x
  2. Step 2: Convert to fraction form
    5,102.24/7,649.74 = 1,979.61/x
  3. Step 3: Cross multiply
    5,102.24x = 7,649.74 × 1,979.61
  4. Step 4: Simplify right side
    5,102.24x = 15,143,540.13
  5. Step 5: Solve for x
    x = 15,143,540.13/5,102.24
  6. Step 6: Final answer
    x = 2,968.02

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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.