Home / 5,286.25-7,296.24-3,191.59

Finding the Fourth Proportional to 5,286.25, 7,296.24 and 3,191.59

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Solution

The fourth proportional to 5,286.25, 7,296.24 and 3,191.59 is: 4,405.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.25 : 7,296.24 = 3,191.59 : x
  2. Step 2: Convert to fraction form
    5,286.25/7,296.24 = 3,191.59/x
  3. Step 3: Cross multiply
    5,286.25x = 7,296.24 × 3,191.59
  4. Step 4: Simplify right side
    5,286.25x = 23,286,606.62
  5. Step 5: Solve for x
    x = 23,286,606.62/5,286.25
  6. Step 6: Final answer
    x = 4,405.13

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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.