Home / 9,371.76-12,933.06-5,180

Finding the Fourth Proportional to 9,371.76, 12,933.06 and 5,180

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Solution

The fourth proportional to 9,371.76, 12,933.06 and 5,180 is: 7,148.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,371.76 : 12,933.06 = 5,180 : x
  2. Step 2: Convert to fraction form
    9,371.76/12,933.06 = 5,180/x
  3. Step 3: Cross multiply
    9,371.76x = 12,933.06 × 5,180
  4. Step 4: Simplify right side
    9,371.76x = 66,993,250.80
  5. Step 5: Solve for x
    x = 66,993,250.80/9,371.76
  6. Step 6: Final answer
    x = 7,148.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.