Home / 5,431.91-7,494.03-3,306.56

Finding the Fourth Proportional to 5,431.91, 7,494.03 and 3,306.56

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Solution

The fourth proportional to 5,431.91, 7,494.03 and 3,306.56 is: 4,561.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.91 : 7,494.03 = 3,306.56 : x
  2. Step 2: Convert to fraction form
    5,431.91/7,494.03 = 3,306.56/x
  3. Step 3: Cross multiply
    5,431.91x = 7,494.03 × 3,306.56
  4. Step 4: Simplify right side
    5,431.91x = 24,779,422.37
  5. Step 5: Solve for x
    x = 24,779,422.37/5,431.91
  6. Step 6: Final answer
    x = 4,561.83

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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.