Home / 4,091.75-6,134.36-1,781.63

Finding the Fourth Proportional to 4,091.75, 6,134.36 and 1,781.63

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Solution

The fourth proportional to 4,091.75, 6,134.36 and 1,781.63 is: 2,671.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,091.75 : 6,134.36 = 1,781.63 : x
  2. Step 2: Convert to fraction form
    4,091.75/6,134.36 = 1,781.63/x
  3. Step 3: Cross multiply
    4,091.75x = 6,134.36 × 1,781.63
  4. Step 4: Simplify right side
    4,091.75x = 10,929,159.81
  5. Step 5: Solve for x
    x = 10,929,159.81/4,091.75
  6. Step 6: Final answer
    x = 2,671.02

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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.