Home / 5,286.38-7,930.36-1,588.52

Finding the Fourth Proportional to 5,286.38, 7,930.36 and 1,588.52

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Solution

The fourth proportional to 5,286.38, 7,930.36 and 1,588.52 is: 2,383.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.38 : 7,930.36 = 1,588.52 : x
  2. Step 2: Convert to fraction form
    5,286.38/7,930.36 = 1,588.52/x
  3. Step 3: Cross multiply
    5,286.38x = 7,930.36 × 1,588.52
  4. Step 4: Simplify right side
    5,286.38x = 12,597,557.28
  5. Step 5: Solve for x
    x = 12,597,557.28/5,286.38
  6. Step 6: Final answer
    x = 2,383.02

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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.