Home / 4,151.85-6,219.81-2,760.99

Finding the Fourth Proportional to 4,151.85, 6,219.81 and 2,760.99

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Solution

The fourth proportional to 4,151.85, 6,219.81 and 2,760.99 is: 4,136.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.85 : 6,219.81 = 2,760.99 : x
  2. Step 2: Convert to fraction form
    4,151.85/6,219.81 = 2,760.99/x
  3. Step 3: Cross multiply
    4,151.85x = 6,219.81 × 2,760.99
  4. Step 4: Simplify right side
    4,151.85x = 17,172,833.21
  5. Step 5: Solve for x
    x = 17,172,833.21/4,151.85
  6. Step 6: Final answer
    x = 4,136.19

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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.