Home / 5,353.40-8,020.10-4,481.49

Finding the Fourth Proportional to 5,353.40, 8,020.10 and 4,481.49

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Solution

The fourth proportional to 5,353.40, 8,020.10 and 4,481.49 is: 6,713.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.40 : 8,020.10 = 4,481.49 : x
  2. Step 2: Convert to fraction form
    5,353.40/8,020.10 = 4,481.49/x
  3. Step 3: Cross multiply
    5,353.40x = 8,020.10 × 4,481.49
  4. Step 4: Simplify right side
    5,353.40x = 35,941,975.54
  5. Step 5: Solve for x
    x = 35,941,975.54/5,353.40
  6. Step 6: Final answer
    x = 6,713.87

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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.