Home / 6,144.12-9,215.91-1,761.75

Finding the Fourth Proportional to 6,144.12, 9,215.91 and 1,761.75

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Solution

The fourth proportional to 6,144.12, 9,215.91 and 1,761.75 is: 2,642.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,144.12 : 9,215.91 = 1,761.75 : x
  2. Step 2: Convert to fraction form
    6,144.12/9,215.91 = 1,761.75/x
  3. Step 3: Cross multiply
    6,144.12x = 9,215.91 × 1,761.75
  4. Step 4: Simplify right side
    6,144.12x = 16,236,129.44
  5. Step 5: Solve for x
    x = 16,236,129.44/6,144.12
  6. Step 6: Final answer
    x = 2,642.55

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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.