Home / 5,139.92-7,709.20-2,022.24

Finding the Fourth Proportional to 5,139.92, 7,709.20 and 2,022.24

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Solution

The fourth proportional to 5,139.92, 7,709.20 and 2,022.24 is: 3,033.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139.92 : 7,709.20 = 2,022.24 : x
  2. Step 2: Convert to fraction form
    5,139.92/7,709.20 = 2,022.24/x
  3. Step 3: Cross multiply
    5,139.92x = 7,709.20 × 2,022.24
  4. Step 4: Simplify right side
    5,139.92x = 15,589,852.61
  5. Step 5: Solve for x
    x = 15,589,852.61/5,139.92
  6. Step 6: Final answer
    x = 3,033.09

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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.