Home / 5,431.88-7,493.73-3,306.62

Finding the Fourth Proportional to 5,431.88, 7,493.73 and 3,306.62

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Solution

The fourth proportional to 5,431.88, 7,493.73 and 3,306.62 is: 4,561.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.88 : 7,493.73 = 3,306.62 : x
  2. Step 2: Convert to fraction form
    5,431.88/7,493.73 = 3,306.62/x
  3. Step 3: Cross multiply
    5,431.88x = 7,493.73 × 3,306.62
  4. Step 4: Simplify right side
    5,431.88x = 24,778,917.49
  5. Step 5: Solve for x
    x = 24,778,917.49/5,431.88
  6. Step 6: Final answer
    x = 4,561.76

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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.