Home / 7,371.88-11,047.05-3,424.34

Finding the Fourth Proportional to 7,371.88, 11,047.05 and 3,424.34

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Solution

The fourth proportional to 7,371.88, 11,047.05 and 3,424.34 is: 5,131.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.88 : 11,047.05 = 3,424.34 : x
  2. Step 2: Convert to fraction form
    7,371.88/11,047.05 = 3,424.34/x
  3. Step 3: Cross multiply
    7,371.88x = 11,047.05 × 3,424.34
  4. Step 4: Simplify right side
    7,371.88x = 37,828,882.81
  5. Step 5: Solve for x
    x = 37,828,882.81/7,371.88
  6. Step 6: Final answer
    x = 5,131.51

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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.