Home / 5,628.94-7,768.24-3,239.66

Finding the Fourth Proportional to 5,628.94, 7,768.24 and 3,239.66

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Solution

The fourth proportional to 5,628.94, 7,768.24 and 3,239.66 is: 4,470.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.94 : 7,768.24 = 3,239.66 : x
  2. Step 2: Convert to fraction form
    5,628.94/7,768.24 = 3,239.66/x
  3. Step 3: Cross multiply
    5,628.94x = 7,768.24 × 3,239.66
  4. Step 4: Simplify right side
    5,628.94x = 25,166,456.40
  5. Step 5: Solve for x
    x = 25,166,456.40/5,628.94
  6. Step 6: Final answer
    x = 4,470.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.