Home / 6,331.66-8,738.78-3,680.62

Finding the Fourth Proportional to 6,331.66, 8,738.78 and 3,680.62

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Solution

The fourth proportional to 6,331.66, 8,738.78 and 3,680.62 is: 5,079.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,331.66 : 8,738.78 = 3,680.62 : x
  2. Step 2: Convert to fraction form
    6,331.66/8,738.78 = 3,680.62/x
  3. Step 3: Cross multiply
    6,331.66x = 8,738.78 × 3,680.62
  4. Step 4: Simplify right side
    6,331.66x = 32,164,088.19
  5. Step 5: Solve for x
    x = 32,164,088.19/6,331.66
  6. Step 6: Final answer
    x = 5,079.88

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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.