Home / 7,331.78-11,007.66-6,343.04

Finding the Fourth Proportional to 7,331.78, 11,007.66 and 6,343.04

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Solution

The fourth proportional to 7,331.78, 11,007.66 and 6,343.04 is: 9,523.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.78 : 11,007.66 = 6,343.04 : x
  2. Step 2: Convert to fraction form
    7,331.78/11,007.66 = 6,343.04/x
  3. Step 3: Cross multiply
    7,331.78x = 11,007.66 × 6,343.04
  4. Step 4: Simplify right side
    7,331.78x = 69,822,027.69
  5. Step 5: Solve for x
    x = 69,822,027.69/7,331.78
  6. Step 6: Final answer
    x = 9,523.20

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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.