Home / 7,388.28-11,081.52-2,194.56

Finding the Fourth Proportional to 7,388.28, 11,081.52 and 2,194.56

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Solution

The fourth proportional to 7,388.28, 11,081.52 and 2,194.56 is: 3,291.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.28 : 11,081.52 = 2,194.56 : x
  2. Step 2: Convert to fraction form
    7,388.28/11,081.52 = 2,194.56/x
  3. Step 3: Cross multiply
    7,388.28x = 11,081.52 × 2,194.56
  4. Step 4: Simplify right side
    7,388.28x = 24,319,060.53
  5. Step 5: Solve for x
    x = 24,319,060.53/7,388.28
  6. Step 6: Final answer
    x = 3,291.57

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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.