Home / 7,741.46-11,612.19-2,194.80

Finding the Fourth Proportional to 7,741.46, 11,612.19 and 2,194.80

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Solution

The fourth proportional to 7,741.46, 11,612.19 and 2,194.80 is: 3,292.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,741.46 : 11,612.19 = 2,194.80 : x
  2. Step 2: Convert to fraction form
    7,741.46/11,612.19 = 2,194.80/x
  3. Step 3: Cross multiply
    7,741.46x = 11,612.19 × 2,194.80
  4. Step 4: Simplify right side
    7,741.46x = 25,486,434.61
  5. Step 5: Solve for x
    x = 25,486,434.61/7,741.46
  6. Step 6: Final answer
    x = 3,292.20

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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.