Home / 5,330.46-7,990.26-2,553.06

Finding the Fourth Proportional to 5,330.46, 7,990.26 and 2,553.06

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Solution

The fourth proportional to 5,330.46, 7,990.26 and 2,553.06 is: 3,826.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.46 : 7,990.26 = 2,553.06 : x
  2. Step 2: Convert to fraction form
    5,330.46/7,990.26 = 2,553.06/x
  3. Step 3: Cross multiply
    5,330.46x = 7,990.26 × 2,553.06
  4. Step 4: Simplify right side
    5,330.46x = 20,399,613.20
  5. Step 5: Solve for x
    x = 20,399,613.20/5,330.46
  6. Step 6: Final answer
    x = 3,826.99

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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.