Home / 5,508.68-7,601.99-2,990.79

Finding the Fourth Proportional to 5,508.68, 7,601.99 and 2,990.79

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Solution

The fourth proportional to 5,508.68, 7,601.99 and 2,990.79 is: 4,127.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,508.68 : 7,601.99 = 2,990.79 : x
  2. Step 2: Convert to fraction form
    5,508.68/7,601.99 = 2,990.79/x
  3. Step 3: Cross multiply
    5,508.68x = 7,601.99 × 2,990.79
  4. Step 4: Simplify right side
    5,508.68x = 22,735,940.72
  5. Step 5: Solve for x
    x = 22,735,940.72/5,508.68
  6. Step 6: Final answer
    x = 4,127.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.