Home / 5,540.65-7,645.66-3,182.34

Finding the Fourth Proportional to 5,540.65, 7,645.66 and 3,182.34

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Solution

The fourth proportional to 5,540.65, 7,645.66 and 3,182.34 is: 4,391.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.65 : 7,645.66 = 3,182.34 : x
  2. Step 2: Convert to fraction form
    5,540.65/7,645.66 = 3,182.34/x
  3. Step 3: Cross multiply
    5,540.65x = 7,645.66 × 3,182.34
  4. Step 4: Simplify right side
    5,540.65x = 24,331,089.64
  5. Step 5: Solve for x
    x = 24,331,089.64/5,540.65
  6. Step 6: Final answer
    x = 4,391.38

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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.