Home / 7,150.28-10,726.45-2,220.32

Finding the Fourth Proportional to 7,150.28, 10,726.45 and 2,220.32

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Solution

The fourth proportional to 7,150.28, 10,726.45 and 2,220.32 is: 3,330.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.28 : 10,726.45 = 2,220.32 : x
  2. Step 2: Convert to fraction form
    7,150.28/10,726.45 = 2,220.32/x
  3. Step 3: Cross multiply
    7,150.28x = 10,726.45 × 2,220.32
  4. Step 4: Simplify right side
    7,150.28x = 23,816,092.28
  5. Step 5: Solve for x
    x = 23,816,092.28/7,150.28
  6. Step 6: Final answer
    x = 3,330.79

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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.