Home / 8,368.24-12,553.04-2,821.60

Finding the Fourth Proportional to 8,368.24, 12,553.04 and 2,821.60

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Solution

The fourth proportional to 8,368.24, 12,553.04 and 2,821.60 is: 4,232.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368.24 : 12,553.04 = 2,821.60 : x
  2. Step 2: Convert to fraction form
    8,368.24/12,553.04 = 2,821.60/x
  3. Step 3: Cross multiply
    8,368.24x = 12,553.04 × 2,821.60
  4. Step 4: Simplify right side
    8,368.24x = 35,419,657.66
  5. Step 5: Solve for x
    x = 35,419,657.66/8,368.24
  6. Step 6: Final answer
    x = 4,232.63

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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.