Home / 5,481.72-8,210.28-4,245.39

Finding the Fourth Proportional to 5,481.72, 8,210.28 and 4,245.39

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Solution

The fourth proportional to 5,481.72, 8,210.28 and 4,245.39 is: 6,358.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.72 : 8,210.28 = 4,245.39 : x
  2. Step 2: Convert to fraction form
    5,481.72/8,210.28 = 4,245.39/x
  3. Step 3: Cross multiply
    5,481.72x = 8,210.28 × 4,245.39
  4. Step 4: Simplify right side
    5,481.72x = 34,855,840.61
  5. Step 5: Solve for x
    x = 34,855,840.61/5,481.72
  6. Step 6: Final answer
    x = 6,358.56

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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.