Home / 6,172.92-9,261.33-2,221.47

Finding the Fourth Proportional to 6,172.92, 9,261.33 and 2,221.47

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Solution

The fourth proportional to 6,172.92, 9,261.33 and 2,221.47 is: 3,332.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.92 : 9,261.33 = 2,221.47 : x
  2. Step 2: Convert to fraction form
    6,172.92/9,261.33 = 2,221.47/x
  3. Step 3: Cross multiply
    6,172.92x = 9,261.33 × 2,221.47
  4. Step 4: Simplify right side
    6,172.92x = 20,573,766.76
  5. Step 5: Solve for x
    x = 20,573,766.76/6,172.92
  6. Step 6: Final answer
    x = 3,332.91

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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.