Home / 8,212.05-12,329.48-5,707.33

Finding the Fourth Proportional to 8,212.05, 12,329.48 and 5,707.33

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Solution

The fourth proportional to 8,212.05, 12,329.48 and 5,707.33 is: 8,568.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,212.05 : 12,329.48 = 5,707.33 : x
  2. Step 2: Convert to fraction form
    8,212.05/12,329.48 = 5,707.33/x
  3. Step 3: Cross multiply
    8,212.05x = 12,329.48 × 5,707.33
  4. Step 4: Simplify right side
    8,212.05x = 70,368,394.53
  5. Step 5: Solve for x
    x = 70,368,394.53/8,212.05
  6. Step 6: Final answer
    x = 8,568.92

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1.5x scale

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.