Home / 5,851.38-8,778.78-1,958.52

Finding the Fourth Proportional to 5,851.38, 8,778.78 and 1,958.52

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Solution

The fourth proportional to 5,851.38, 8,778.78 and 1,958.52 is: 2,938.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,851.38 : 8,778.78 = 1,958.52 : x
  2. Step 2: Convert to fraction form
    5,851.38/8,778.78 = 1,958.52/x
  3. Step 3: Cross multiply
    5,851.38x = 8,778.78 × 1,958.52
  4. Step 4: Simplify right side
    5,851.38x = 17,193,416.21
  5. Step 5: Solve for x
    x = 17,193,416.21/5,851.38
  6. Step 6: Final answer
    x = 2,938.35

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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.