Home / 6,664.91-9,197.57-3,680.75

Finding the Fourth Proportional to 6,664.91, 9,197.57 and 3,680.75

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Solution

The fourth proportional to 6,664.91, 9,197.57 and 3,680.75 is: 5,079.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.91 : 9,197.57 = 3,680.75 : x
  2. Step 2: Convert to fraction form
    6,664.91/9,197.57 = 3,680.75/x
  3. Step 3: Cross multiply
    6,664.91x = 9,197.57 × 3,680.75
  4. Step 4: Simplify right side
    6,664.91x = 33,853,955.78
  5. Step 5: Solve for x
    x = 33,853,955.78/6,664.91
  6. Step 6: Final answer
    x = 5,079.43

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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.