Home / 6,121.48-9,180-3,350.20

Finding the Fourth Proportional to 6,121.48, 9,180 and 3,350.20

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Solution

The fourth proportional to 6,121.48, 9,180 and 3,350.20 is: 5,024.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.48 : 9,180 = 3,350.20 : x
  2. Step 2: Convert to fraction form
    6,121.48/9,180 = 3,350.20/x
  3. Step 3: Cross multiply
    6,121.48x = 9,180 × 3,350.20
  4. Step 4: Simplify right side
    6,121.48x = 30,754,836
  5. Step 5: Solve for x
    x = 30,754,836/6,121.48
  6. Step 6: Final answer
    x = 5,024.09

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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.