Home / 6,320.18-9,481.40-2,160.65

Finding the Fourth Proportional to 6,320.18, 9,481.40 and 2,160.65

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Solution

The fourth proportional to 6,320.18, 9,481.40 and 2,160.65 is: 3,241.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.18 : 9,481.40 = 2,160.65 : x
  2. Step 2: Convert to fraction form
    6,320.18/9,481.40 = 2,160.65/x
  3. Step 3: Cross multiply
    6,320.18x = 9,481.40 × 2,160.65
  4. Step 4: Simplify right side
    6,320.18x = 20,485,976.11
  5. Step 5: Solve for x
    x = 20,485,976.11/6,320.18
  6. Step 6: Final answer
    x = 3,241.36

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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.