Home / 6,553.46-9,042.62-3,900.44

Finding the Fourth Proportional to 6,553.46, 9,042.62 and 3,900.44

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Solution

The fourth proportional to 6,553.46, 9,042.62 and 3,900.44 is: 5,381.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,553.46 : 9,042.62 = 3,900.44 : x
  2. Step 2: Convert to fraction form
    6,553.46/9,042.62 = 3,900.44/x
  3. Step 3: Cross multiply
    6,553.46x = 9,042.62 × 3,900.44
  4. Step 4: Simplify right side
    6,553.46x = 35,270,196.75
  5. Step 5: Solve for x
    x = 35,270,196.75/6,553.46
  6. Step 6: Final answer
    x = 5,381.92

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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.