Home / 6,494.32-9,739.20-2,110.66

Finding the Fourth Proportional to 6,494.32, 9,739.20 and 2,110.66

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Solution

The fourth proportional to 6,494.32, 9,739.20 and 2,110.66 is: 3,165.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,494.32 : 9,739.20 = 2,110.66 : x
  2. Step 2: Convert to fraction form
    6,494.32/9,739.20 = 2,110.66/x
  3. Step 3: Cross multiply
    6,494.32x = 9,739.20 × 2,110.66
  4. Step 4: Simplify right side
    6,494.32x = 20,556,139.87
  5. Step 5: Solve for x
    x = 20,556,139.87/6,494.32
  6. Step 6: Final answer
    x = 3,165.25

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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.