Home / 7,768.58-11,648.39-5,306.39

Finding the Fourth Proportional to 7,768.58, 11,648.39 and 5,306.39

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Solution

The fourth proportional to 7,768.58, 11,648.39 and 5,306.39 is: 7,956.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768.58 : 11,648.39 = 5,306.39 : x
  2. Step 2: Convert to fraction form
    7,768.58/11,648.39 = 5,306.39/x
  3. Step 3: Cross multiply
    7,768.58x = 11,648.39 × 5,306.39
  4. Step 4: Simplify right side
    7,768.58x = 61,810,815.44
  5. Step 5: Solve for x
    x = 61,810,815.44/7,768.58
  6. Step 6: Final answer
    x = 7,956.51

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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.