Home / 4,079.85-6,119.79-1,001.85

Finding the Fourth Proportional to 4,079.85, 6,119.79 and 1,001.85

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Solution

The fourth proportional to 4,079.85, 6,119.79 and 1,001.85 is: 1,502.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.85 : 6,119.79 = 1,001.85 : x
  2. Step 2: Convert to fraction form
    4,079.85/6,119.79 = 1,001.85/x
  3. Step 3: Cross multiply
    4,079.85x = 6,119.79 × 1,001.85
  4. Step 4: Simplify right side
    4,079.85x = 6,131,111.61
  5. Step 5: Solve for x
    x = 6,131,111.61/4,079.85
  6. Step 6: Final answer
    x = 1,502.78

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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.