Home / 4,061.87-6,091.08-1,428.56

Finding the Fourth Proportional to 4,061.87, 6,091.08 and 1,428.56

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Solution

The fourth proportional to 4,061.87, 6,091.08 and 1,428.56 is: 2,142.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,061.87 : 6,091.08 = 1,428.56 : x
  2. Step 2: Convert to fraction form
    4,061.87/6,091.08 = 1,428.56/x
  3. Step 3: Cross multiply
    4,061.87x = 6,091.08 × 1,428.56
  4. Step 4: Simplify right side
    4,061.87x = 8,701,473.24
  5. Step 5: Solve for x
    x = 8,701,473.24/4,061.87
  6. Step 6: Final answer
    x = 2,142.23

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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.