Home / 7,920.33-10,930.57-4,383.54

Finding the Fourth Proportional to 7,920.33, 10,930.57 and 4,383.54

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Solution

The fourth proportional to 7,920.33, 10,930.57 and 4,383.54 is: 6,049.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920.33 : 10,930.57 = 4,383.54 : x
  2. Step 2: Convert to fraction form
    7,920.33/10,930.57 = 4,383.54/x
  3. Step 3: Cross multiply
    7,920.33x = 10,930.57 × 4,383.54
  4. Step 4: Simplify right side
    7,920.33x = 47,914,590.82
  5. Step 5: Solve for x
    x = 47,914,590.82/7,920.33
  6. Step 6: Final answer
    x = 6,049.57

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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.