Home / 6,123.80-9,189.32-2,228.52

Finding the Fourth Proportional to 6,123.80, 9,189.32 and 2,228.52

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Solution

The fourth proportional to 6,123.80, 9,189.32 and 2,228.52 is: 3,344.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,123.80 : 9,189.32 = 2,228.52 : x
  2. Step 2: Convert to fraction form
    6,123.80/9,189.32 = 2,228.52/x
  3. Step 3: Cross multiply
    6,123.80x = 9,189.32 × 2,228.52
  4. Step 4: Simplify right side
    6,123.80x = 20,478,583.41
  5. Step 5: Solve for x
    x = 20,478,583.41/6,123.80
  6. Step 6: Final answer
    x = 3,344.10

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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.