Home / 8,368.34-12,552.54-2,821.73

Finding the Fourth Proportional to 8,368.34, 12,552.54 and 2,821.73

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Solution

The fourth proportional to 8,368.34, 12,552.54 and 2,821.73 is: 4,232.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368.34 : 12,552.54 = 2,821.73 : x
  2. Step 2: Convert to fraction form
    8,368.34/12,552.54 = 2,821.73/x
  3. Step 3: Cross multiply
    8,368.34x = 12,552.54 × 2,821.73
  4. Step 4: Simplify right side
    8,368.34x = 35,419,864.46
  5. Step 5: Solve for x
    x = 35,419,864.46/8,368.34
  6. Step 6: Final answer
    x = 4,232.60

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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.