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Finding the Fourth Proportional to 7,243.32, 9,984.78 and 5,968.92

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Solution

The fourth proportional to 7,243.32, 9,984.78 and 5,968.92 is: 8,228.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243.32 : 9,984.78 = 5,968.92 : x
  2. Step 2: Convert to fraction form
    7,243.32/9,984.78 = 5,968.92/x
  3. Step 3: Cross multiply
    7,243.32x = 9,984.78 × 5,968.92
  4. Step 4: Simplify right side
    7,243.32x = 59,598,353.04
  5. Step 5: Solve for x
    x = 59,598,353.04/7,243.32
  6. Step 6: Final answer
    x = 8,228.04

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Double scale
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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.