Home / 4,061.91-6,092.87-1,428.80

Finding the Fourth Proportional to 4,061.91, 6,092.87 and 1,428.80

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Solution

The fourth proportional to 4,061.91, 6,092.87 and 1,428.80 is: 2,143.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,061.91 : 6,092.87 = 1,428.80 : x
  2. Step 2: Convert to fraction form
    4,061.91/6,092.87 = 1,428.80/x
  3. Step 3: Cross multiply
    4,061.91x = 6,092.87 × 1,428.80
  4. Step 4: Simplify right side
    4,061.91x = 8,705,455.05
  5. Step 5: Solve for x
    x = 8,705,455.05/4,061.91
  6. Step 6: Final answer
    x = 2,143.19

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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.