Home / 8,860.28-13,299.66-3,933.39

Finding the Fourth Proportional to 8,860.28, 13,299.66 and 3,933.39

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Solution

The fourth proportional to 8,860.28, 13,299.66 and 3,933.39 is: 5,904.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.28 : 13,299.66 = 3,933.39 : x
  2. Step 2: Convert to fraction form
    8,860.28/13,299.66 = 3,933.39/x
  3. Step 3: Cross multiply
    8,860.28x = 13,299.66 × 3,933.39
  4. Step 4: Simplify right side
    8,860.28x = 52,312,749.65
  5. Step 5: Solve for x
    x = 52,312,749.65/8,860.28
  6. Step 6: Final answer
    x = 5,904.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.