Home / 5,239.17-7,845.30-2,768.49

Finding the Fourth Proportional to 5,239.17, 7,845.30 and 2,768.49

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Solution

The fourth proportional to 5,239.17, 7,845.30 and 2,768.49 is: 4,145.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.17 : 7,845.30 = 2,768.49 : x
  2. Step 2: Convert to fraction form
    5,239.17/7,845.30 = 2,768.49/x
  3. Step 3: Cross multiply
    5,239.17x = 7,845.30 × 2,768.49
  4. Step 4: Simplify right side
    5,239.17x = 21,719,634.60
  5. Step 5: Solve for x
    x = 21,719,634.60/5,239.17
  6. Step 6: Final answer
    x = 4,145.63

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1.5x scale

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.