Home / 4,313.20-6,469.80-3,073.90

Finding the Fourth Proportional to 4,313.20, 6,469.80 and 3,073.90

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Solution

The fourth proportional to 4,313.20, 6,469.80 and 3,073.90 is: 4,610.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,313.20 : 6,469.80 = 3,073.90 : x
  2. Step 2: Convert to fraction form
    4,313.20/6,469.80 = 3,073.90/x
  3. Step 3: Cross multiply
    4,313.20x = 6,469.80 × 3,073.90
  4. Step 4: Simplify right side
    4,313.20x = 19,887,518.22
  5. Step 5: Solve for x
    x = 19,887,518.22/4,313.20
  6. Step 6: Final answer
    x = 4,610.85

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Similar ratio
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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.