Home / 4,939.02-7,408.56-2,127.24

Finding the Fourth Proportional to 4,939.02, 7,408.56 and 2,127.24

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Solution

The fourth proportional to 4,939.02, 7,408.56 and 2,127.24 is: 3,190.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.02 : 7,408.56 = 2,127.24 : x
  2. Step 2: Convert to fraction form
    4,939.02/7,408.56 = 2,127.24/x
  3. Step 3: Cross multiply
    4,939.02x = 7,408.56 × 2,127.24
  4. Step 4: Simplify right side
    4,939.02x = 15,759,785.17
  5. Step 5: Solve for x
    x = 15,759,785.17/4,939.02
  6. Step 6: Final answer
    x = 3,190.87

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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.