Home / 5,628.62-7,768.10-3,239.33

Finding the Fourth Proportional to 5,628.62, 7,768.10 and 3,239.33

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Solution

The fourth proportional to 5,628.62, 7,768.10 and 3,239.33 is: 4,470.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.62 : 7,768.10 = 3,239.33 : x
  2. Step 2: Convert to fraction form
    5,628.62/7,768.10 = 3,239.33/x
  3. Step 3: Cross multiply
    5,628.62x = 7,768.10 × 3,239.33
  4. Step 4: Simplify right side
    5,628.62x = 25,163,408.63
  5. Step 5: Solve for x
    x = 25,163,408.63/5,628.62
  6. Step 6: Final answer
    x = 4,470.62

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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.