Home / 8,223.29-12,329.51-2,955.66

Finding the Fourth Proportional to 8,223.29, 12,329.51 and 2,955.66

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Solution

The fourth proportional to 8,223.29, 12,329.51 and 2,955.66 is: 4,431.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223.29 : 12,329.51 = 2,955.66 : x
  2. Step 2: Convert to fraction form
    8,223.29/12,329.51 = 2,955.66/x
  3. Step 3: Cross multiply
    8,223.29x = 12,329.51 × 2,955.66
  4. Step 4: Simplify right side
    8,223.29x = 36,441,824.75
  5. Step 5: Solve for x
    x = 36,441,824.75/8,223.29
  6. Step 6: Final answer
    x = 4,431.54

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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.