Home / 5,790.87-7,990.92-3,272.85

Finding the Fourth Proportional to 5,790.87, 7,990.92 and 3,272.85

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Solution

The fourth proportional to 5,790.87, 7,990.92 and 3,272.85 is: 4,516.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.87 : 7,990.92 = 3,272.85 : x
  2. Step 2: Convert to fraction form
    5,790.87/7,990.92 = 3,272.85/x
  3. Step 3: Cross multiply
    5,790.87x = 7,990.92 × 3,272.85
  4. Step 4: Simplify right side
    5,790.87x = 26,153,082.52
  5. Step 5: Solve for x
    x = 26,153,082.52/5,790.87
  6. Step 6: Final answer
    x = 4,516.26

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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.