Home / 7,911.29-11,866.91-3,233.49

Finding the Fourth Proportional to 7,911.29, 11,866.91 and 3,233.49

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Solution

The fourth proportional to 7,911.29, 11,866.91 and 3,233.49 is: 4,850.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,911.29 : 11,866.91 = 3,233.49 : x
  2. Step 2: Convert to fraction form
    7,911.29/11,866.91 = 3,233.49/x
  3. Step 3: Cross multiply
    7,911.29x = 11,866.91 × 3,233.49
  4. Step 4: Simplify right side
    7,911.29x = 38,371,518.65
  5. Step 5: Solve for x
    x = 38,371,518.65/7,911.29
  6. Step 6: Final answer
    x = 4,850.23

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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.