Home / 5,489.70-8,234.55-4,884.90

Finding the Fourth Proportional to 5,489.70, 8,234.55 and 4,884.90

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Solution

The fourth proportional to 5,489.70, 8,234.55 and 4,884.90 is: 7,327.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.70 : 8,234.55 = 4,884.90 : x
  2. Step 2: Convert to fraction form
    5,489.70/8,234.55 = 4,884.90/x
  3. Step 3: Cross multiply
    5,489.70x = 8,234.55 × 4,884.90
  4. Step 4: Simplify right side
    5,489.70x = 40,224,953.30
  5. Step 5: Solve for x
    x = 40,224,953.30/5,489.70
  6. Step 6: Final answer
    x = 7,327.35

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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.