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Finding the Fourth Proportional to 7,194.26, 9,928.10 and 4,050.66

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Solution

The fourth proportional to 7,194.26, 9,928.10 and 4,050.66 is: 5,589.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,194.26 : 9,928.10 = 4,050.66 : x
  2. Step 2: Convert to fraction form
    7,194.26/9,928.10 = 4,050.66/x
  3. Step 3: Cross multiply
    7,194.26x = 9,928.10 × 4,050.66
  4. Step 4: Simplify right side
    7,194.26x = 40,215,357.55
  5. Step 5: Solve for x
    x = 40,215,357.55/7,194.26
  6. Step 6: Final answer
    x = 5,589.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.