Home / 3,868.12-5,317.49-3,327.79

Finding the Fourth Proportional to 3,868.12, 5,317.49 and 3,327.79

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Solution

The fourth proportional to 3,868.12, 5,317.49 and 3,327.79 is: 4,574.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868.12 : 5,317.49 = 3,327.79 : x
  2. Step 2: Convert to fraction form
    3,868.12/5,317.49 = 3,327.79/x
  3. Step 3: Cross multiply
    3,868.12x = 5,317.49 × 3,327.79
  4. Step 4: Simplify right side
    3,868.12x = 17,695,450.14
  5. Step 5: Solve for x
    x = 17,695,450.14/3,868.12
  6. Step 6: Final answer
    x = 4,574.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.