Home / 7,402.05-11,105.01-3,242.43

Finding the Fourth Proportional to 7,402.05, 11,105.01 and 3,242.43

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Solution

The fourth proportional to 7,402.05, 11,105.01 and 3,242.43 is: 4,864.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.05 : 11,105.01 = 3,242.43 : x
  2. Step 2: Convert to fraction form
    7,402.05/11,105.01 = 3,242.43/x
  3. Step 3: Cross multiply
    7,402.05x = 11,105.01 × 3,242.43
  4. Step 4: Simplify right side
    7,402.05x = 36,007,217.57
  5. Step 5: Solve for x
    x = 36,007,217.57/7,402.05
  6. Step 6: Final answer
    x = 4,864.49

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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.