Home / 6,422.15-9,633.13-2,039.65

Finding the Fourth Proportional to 6,422.15, 9,633.13 and 2,039.65

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Solution

The fourth proportional to 6,422.15, 9,633.13 and 2,039.65 is: 3,059.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.15 : 9,633.13 = 2,039.65 : x
  2. Step 2: Convert to fraction form
    6,422.15/9,633.13 = 2,039.65/x
  3. Step 3: Cross multiply
    6,422.15x = 9,633.13 × 2,039.65
  4. Step 4: Simplify right side
    6,422.15x = 19,648,213.60
  5. Step 5: Solve for x
    x = 19,648,213.60/6,422.15
  6. Step 6: Final answer
    x = 3,059.44

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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.