Home / 5,287.13-7,930.38-1,589.27

Finding the Fourth Proportional to 5,287.13, 7,930.38 and 1,589.27

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Solution

The fourth proportional to 5,287.13, 7,930.38 and 1,589.27 is: 2,383.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.13 : 7,930.38 = 1,589.27 : x
  2. Step 2: Convert to fraction form
    5,287.13/7,930.38 = 1,589.27/x
  3. Step 3: Cross multiply
    5,287.13x = 7,930.38 × 1,589.27
  4. Step 4: Simplify right side
    5,287.13x = 12,603,534.85
  5. Step 5: Solve for x
    x = 12,603,534.85/5,287.13
  6. Step 6: Final answer
    x = 2,383.82

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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.