Home / 6,145.20-9,216.09-1,761.48

Finding the Fourth Proportional to 6,145.20, 9,216.09 and 1,761.48

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Solution

The fourth proportional to 6,145.20, 9,216.09 and 1,761.48 is: 2,641.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.20 : 9,216.09 = 1,761.48 : x
  2. Step 2: Convert to fraction form
    6,145.20/9,216.09 = 1,761.48/x
  3. Step 3: Cross multiply
    6,145.20x = 9,216.09 × 1,761.48
  4. Step 4: Simplify right side
    6,145.20x = 16,233,958.21
  5. Step 5: Solve for x
    x = 16,233,958.21/6,145.20
  6. Step 6: Final answer
    x = 2,641.73

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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.