Home / 6,120.24-9,179.88-2,225.52

Finding the Fourth Proportional to 6,120.24, 9,179.88 and 2,225.52

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Solution

The fourth proportional to 6,120.24, 9,179.88 and 2,225.52 is: 3,338.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.24 : 9,179.88 = 2,225.52 : x
  2. Step 2: Convert to fraction form
    6,120.24/9,179.88 = 2,225.52/x
  3. Step 3: Cross multiply
    6,120.24x = 9,179.88 × 2,225.52
  4. Step 4: Simplify right side
    6,120.24x = 20,430,006.54
  5. Step 5: Solve for x
    x = 20,430,006.54/6,120.24
  6. Step 6: Final answer
    x = 3,338.11

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1.5x scale

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.