Home / 7,401.35-11,103.78-2,471.03

Finding the Fourth Proportional to 7,401.35, 11,103.78 and 2,471.03

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Solution

The fourth proportional to 7,401.35, 11,103.78 and 2,471.03 is: 3,707.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401.35 : 11,103.78 = 2,471.03 : x
  2. Step 2: Convert to fraction form
    7,401.35/11,103.78 = 2,471.03/x
  3. Step 3: Cross multiply
    7,401.35x = 11,103.78 × 2,471.03
  4. Step 4: Simplify right side
    7,401.35x = 27,437,717.97
  5. Step 5: Solve for x
    x = 27,437,717.97/7,401.35
  6. Step 6: Final answer
    x = 3,707.13

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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.