Home / 7,353.54-10,147.85-3,996.29

Finding the Fourth Proportional to 7,353.54, 10,147.85 and 3,996.29

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Solution

The fourth proportional to 7,353.54, 10,147.85 and 3,996.29 is: 5,514.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.54 : 10,147.85 = 3,996.29 : x
  2. Step 2: Convert to fraction form
    7,353.54/10,147.85 = 3,996.29/x
  3. Step 3: Cross multiply
    7,353.54x = 10,147.85 × 3,996.29
  4. Step 4: Simplify right side
    7,353.54x = 40,553,680.76
  5. Step 5: Solve for x
    x = 40,553,680.76/7,353.54
  6. Step 6: Final answer
    x = 5,514.86

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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.