Home / 4,642.38-6,961.34-1,354.79

Finding the Fourth Proportional to 4,642.38, 6,961.34 and 1,354.79

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Solution

The fourth proportional to 4,642.38, 6,961.34 and 1,354.79 is: 2,031.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.38 : 6,961.34 = 1,354.79 : x
  2. Step 2: Convert to fraction form
    4,642.38/6,961.34 = 1,354.79/x
  3. Step 3: Cross multiply
    4,642.38x = 6,961.34 × 1,354.79
  4. Step 4: Simplify right side
    4,642.38x = 9,431,174.61
  5. Step 5: Solve for x
    x = 9,431,174.61/4,642.38
  6. Step 6: Final answer
    x = 2,031.54

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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.