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Finding the Fourth Proportional to 7,099.29, 10,641.29 and 3,393.64

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Solution

The fourth proportional to 7,099.29, 10,641.29 and 3,393.64 is: 5,086.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099.29 : 10,641.29 = 3,393.64 : x
  2. Step 2: Convert to fraction form
    7,099.29/10,641.29 = 3,393.64/x
  3. Step 3: Cross multiply
    7,099.29x = 10,641.29 × 3,393.64
  4. Step 4: Simplify right side
    7,099.29x = 36,112,707.40
  5. Step 5: Solve for x
    x = 36,112,707.40/7,099.29
  6. Step 6: Final answer
    x = 5,086.81

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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.