Home / 4,091.18-6,135.33-1,781.42

Finding the Fourth Proportional to 4,091.18, 6,135.33 and 1,781.42

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Solution

The fourth proportional to 4,091.18, 6,135.33 and 1,781.42 is: 2,671.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,091.18 : 6,135.33 = 1,781.42 : x
  2. Step 2: Convert to fraction form
    4,091.18/6,135.33 = 1,781.42/x
  3. Step 3: Cross multiply
    4,091.18x = 6,135.33 × 1,781.42
  4. Step 4: Simplify right side
    4,091.18x = 10,929,599.57
  5. Step 5: Solve for x
    x = 10,929,599.57/4,091.18
  6. Step 6: Final answer
    x = 2,671.50

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1.5x scale

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.