Home / 6,320.80-9,481.20-3,400.48

Finding the Fourth Proportional to 6,320.80, 9,481.20 and 3,400.48

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Solution

The fourth proportional to 6,320.80, 9,481.20 and 3,400.48 is: 5,100.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.80 : 9,481.20 = 3,400.48 : x
  2. Step 2: Convert to fraction form
    6,320.80/9,481.20 = 3,400.48/x
  3. Step 3: Cross multiply
    6,320.80x = 9,481.20 × 3,400.48
  4. Step 4: Simplify right side
    6,320.80x = 32,240,630.98
  5. Step 5: Solve for x
    x = 32,240,630.98/6,320.80
  6. Step 6: Final answer
    x = 5,100.72

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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.