Home / 8,220.53-12,329.31-2,673.11

Finding the Fourth Proportional to 8,220.53, 12,329.31 and 2,673.11

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Solution

The fourth proportional to 8,220.53, 12,329.31 and 2,673.11 is: 4,009.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.53 : 12,329.31 = 2,673.11 : x
  2. Step 2: Convert to fraction form
    8,220.53/12,329.31 = 2,673.11/x
  3. Step 3: Cross multiply
    8,220.53x = 12,329.31 × 2,673.11
  4. Step 4: Simplify right side
    8,220.53x = 32,957,642.70
  5. Step 5: Solve for x
    x = 32,957,642.70/8,220.53
  6. Step 6: Final answer
    x = 4,009.19

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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.