Home / 5,018.13-7,524.48-3,984.78

Finding the Fourth Proportional to 5,018.13, 7,524.48 and 3,984.78

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Solution

The fourth proportional to 5,018.13, 7,524.48 and 3,984.78 is: 5,975.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.13 : 7,524.48 = 3,984.78 : x
  2. Step 2: Convert to fraction form
    5,018.13/7,524.48 = 3,984.78/x
  3. Step 3: Cross multiply
    5,018.13x = 7,524.48 × 3,984.78
  4. Step 4: Simplify right side
    5,018.13x = 29,983,397.41
  5. Step 5: Solve for x
    x = 29,983,397.41/5,018.13
  6. Step 6: Final answer
    x = 5,975.01

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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.