Home / 4,738.84-7,108.25-1,228.56

Finding the Fourth Proportional to 4,738.84, 7,108.25 and 1,228.56

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Solution

The fourth proportional to 4,738.84, 7,108.25 and 1,228.56 is: 1,842.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.84 : 7,108.25 = 1,228.56 : x
  2. Step 2: Convert to fraction form
    4,738.84/7,108.25 = 1,228.56/x
  3. Step 3: Cross multiply
    4,738.84x = 7,108.25 × 1,228.56
  4. Step 4: Simplify right side
    4,738.84x = 8,732,878.82
  5. Step 5: Solve for x
    x = 8,732,878.82/4,738.84
  6. Step 6: Final answer
    x = 1,842.83

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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.