Home / 4,039.11-6,061.91-2,091.87

Finding the Fourth Proportional to 4,039.11, 6,061.91 and 2,091.87

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Solution

The fourth proportional to 4,039.11, 6,061.91 and 2,091.87 is: 3,139.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039.11 : 6,061.91 = 2,091.87 : x
  2. Step 2: Convert to fraction form
    4,039.11/6,061.91 = 2,091.87/x
  3. Step 3: Cross multiply
    4,039.11x = 6,061.91 × 2,091.87
  4. Step 4: Simplify right side
    4,039.11x = 12,680,717.21
  5. Step 5: Solve for x
    x = 12,680,717.21/4,039.11
  6. Step 6: Final answer
    x = 3,139.48

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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.