Home / 4,111.79-6,167.70-1,645.92

Finding the Fourth Proportional to 4,111.79, 6,167.70 and 1,645.92

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Solution

The fourth proportional to 4,111.79, 6,167.70 and 1,645.92 is: 2,468.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.79 : 6,167.70 = 1,645.92 : x
  2. Step 2: Convert to fraction form
    4,111.79/6,167.70 = 1,645.92/x
  3. Step 3: Cross multiply
    4,111.79x = 6,167.70 × 1,645.92
  4. Step 4: Simplify right side
    4,111.79x = 10,151,540.78
  5. Step 5: Solve for x
    x = 10,151,540.78/4,111.79
  6. Step 6: Final answer
    x = 2,468.89

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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.