Home / 4,821.84-7,236-2,224.80

Finding the Fourth Proportional to 4,821.84, 7,236 and 2,224.80

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Solution

The fourth proportional to 4,821.84, 7,236 and 2,224.80 is: 3,338.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.84 : 7,236 = 2,224.80 : x
  2. Step 2: Convert to fraction form
    4,821.84/7,236 = 2,224.80/x
  3. Step 3: Cross multiply
    4,821.84x = 7,236 × 2,224.80
  4. Step 4: Simplify right side
    4,821.84x = 16,098,652.80
  5. Step 5: Solve for x
    x = 16,098,652.80/4,821.84
  6. Step 6: Final answer
    x = 3,338.69

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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.