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Finding the Fourth Proportional to 5,305.94, 7,958.88 and 1,357.19

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Solution

The fourth proportional to 5,305.94, 7,958.88 and 1,357.19 is: 2,035.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305.94 : 7,958.88 = 1,357.19 : x
  2. Step 2: Convert to fraction form
    5,305.94/7,958.88 = 1,357.19/x
  3. Step 3: Cross multiply
    5,305.94x = 7,958.88 × 1,357.19
  4. Step 4: Simplify right side
    5,305.94x = 10,801,708.17
  5. Step 5: Solve for x
    x = 10,801,708.17/5,305.94
  6. Step 6: Final answer
    x = 2,035.78

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Similar ratio
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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.