Home / 5,677.89-7,833.67-3,439.05

Finding the Fourth Proportional to 5,677.89, 7,833.67 and 3,439.05

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Solution

The fourth proportional to 5,677.89, 7,833.67 and 3,439.05 is: 4,744.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,677.89 : 7,833.67 = 3,439.05 : x
  2. Step 2: Convert to fraction form
    5,677.89/7,833.67 = 3,439.05/x
  3. Step 3: Cross multiply
    5,677.89x = 7,833.67 × 3,439.05
  4. Step 4: Simplify right side
    5,677.89x = 26,940,365.62
  5. Step 5: Solve for x
    x = 26,940,365.62/5,677.89
  6. Step 6: Final answer
    x = 4,744.78

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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.