Home / 4,850.56-7,276.16-1,387.84

Finding the Fourth Proportional to 4,850.56, 7,276.16 and 1,387.84

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Solution

The fourth proportional to 4,850.56, 7,276.16 and 1,387.84 is: 2,081.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,850.56 : 7,276.16 = 1,387.84 : x
  2. Step 2: Convert to fraction form
    4,850.56/7,276.16 = 1,387.84/x
  3. Step 3: Cross multiply
    4,850.56x = 7,276.16 × 1,387.84
  4. Step 4: Simplify right side
    4,850.56x = 10,098,145.89
  5. Step 5: Solve for x
    x = 10,098,145.89/4,850.56
  6. Step 6: Final answer
    x = 2,081.85

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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.