Home / 5,431.38-7,494.30-3,306.35

Finding the Fourth Proportional to 5,431.38, 7,494.30 and 3,306.35

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Solution

The fourth proportional to 5,431.38, 7,494.30 and 3,306.35 is: 4,562.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.38 : 7,494.30 = 3,306.35 : x
  2. Step 2: Convert to fraction form
    5,431.38/7,494.30 = 3,306.35/x
  3. Step 3: Cross multiply
    5,431.38x = 7,494.30 × 3,306.35
  4. Step 4: Simplify right side
    5,431.38x = 24,778,741.33
  5. Step 5: Solve for x
    x = 24,778,741.33/5,431.38
  6. Step 6: Final answer
    x = 4,562.14

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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.