Home / 7,243.80-10,869.36-3,351

Finding the Fourth Proportional to 7,243.80, 10,869.36 and 3,351

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Solution

The fourth proportional to 7,243.80, 10,869.36 and 3,351 is: 5,028.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243.80 : 10,869.36 = 3,351 : x
  2. Step 2: Convert to fraction form
    7,243.80/10,869.36 = 3,351/x
  3. Step 3: Cross multiply
    7,243.80x = 10,869.36 × 3,351
  4. Step 4: Simplify right side
    7,243.80x = 36,423,225.36
  5. Step 5: Solve for x
    x = 36,423,225.36/7,243.80
  6. Step 6: Final answer
    x = 5,028.19

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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.