Home / 6,939.47-10,408.50-3,242.43

Finding the Fourth Proportional to 6,939.47, 10,408.50 and 3,242.43

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Solution

The fourth proportional to 6,939.47, 10,408.50 and 3,242.43 is: 4,863.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.47 : 10,408.50 = 3,242.43 : x
  2. Step 2: Convert to fraction form
    6,939.47/10,408.50 = 3,242.43/x
  3. Step 3: Cross multiply
    6,939.47x = 10,408.50 × 3,242.43
  4. Step 4: Simplify right side
    6,939.47x = 33,748,832.66
  5. Step 5: Solve for x
    x = 33,748,832.66/6,939.47
  6. Step 6: Final answer
    x = 4,863.31

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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.