Home / 7,645.05-10,546.79-4,991.85

Finding the Fourth Proportional to 7,645.05, 10,546.79 and 4,991.85

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Solution

The fourth proportional to 7,645.05, 10,546.79 and 4,991.85 is: 6,886.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,645.05 : 10,546.79 = 4,991.85 : x
  2. Step 2: Convert to fraction form
    7,645.05/10,546.79 = 4,991.85/x
  3. Step 3: Cross multiply
    7,645.05x = 10,546.79 × 4,991.85
  4. Step 4: Simplify right side
    7,645.05x = 52,647,968.70
  5. Step 5: Solve for x
    x = 52,647,968.70/7,645.05
  6. Step 6: Final answer
    x = 6,886.54

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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.