Home / 7,739.42-11,598.98-3,578.88

Finding the Fourth Proportional to 7,739.42, 11,598.98 and 3,578.88

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Solution

The fourth proportional to 7,739.42, 11,598.98 and 3,578.88 is: 5,363.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.42 : 11,598.98 = 3,578.88 : x
  2. Step 2: Convert to fraction form
    7,739.42/11,598.98 = 3,578.88/x
  3. Step 3: Cross multiply
    7,739.42x = 11,598.98 × 3,578.88
  4. Step 4: Simplify right side
    7,739.42x = 41,511,357.54
  5. Step 5: Solve for x
    x = 41,511,357.54/7,739.42
  6. Step 6: Final answer
    x = 5,363.63

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1.5x scale

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.