Home / 4,321.98-6,489.45-2,475.18

Finding the Fourth Proportional to 4,321.98, 6,489.45 and 2,475.18

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Solution

The fourth proportional to 4,321.98, 6,489.45 and 2,475.18 is: 3,716.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.98 : 6,489.45 = 2,475.18 : x
  2. Step 2: Convert to fraction form
    4,321.98/6,489.45 = 2,475.18/x
  3. Step 3: Cross multiply
    4,321.98x = 6,489.45 × 2,475.18
  4. Step 4: Simplify right side
    4,321.98x = 16,062,556.85
  5. Step 5: Solve for x
    x = 16,062,556.85/4,321.98
  6. Step 6: Final answer
    x = 3,716.48

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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.