Home / 6,540.24-9,026.73-3,889.11

Finding the Fourth Proportional to 6,540.24, 9,026.73 and 3,889.11

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Solution

The fourth proportional to 6,540.24, 9,026.73 and 3,889.11 is: 5,367.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540.24 : 9,026.73 = 3,889.11 : x
  2. Step 2: Convert to fraction form
    6,540.24/9,026.73 = 3,889.11/x
  3. Step 3: Cross multiply
    6,540.24x = 9,026.73 × 3,889.11
  4. Step 4: Simplify right side
    6,540.24x = 35,105,945.91
  5. Step 5: Solve for x
    x = 35,105,945.91/6,540.24
  6. Step 6: Final answer
    x = 5,367.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.