Home / 5,529.42-7,629.84-3,170.70

Finding the Fourth Proportional to 5,529.42, 7,629.84 and 3,170.70

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Solution

The fourth proportional to 5,529.42, 7,629.84 and 3,170.70 is: 4,375.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529.42 : 7,629.84 = 3,170.70 : x
  2. Step 2: Convert to fraction form
    5,529.42/7,629.84 = 3,170.70/x
  3. Step 3: Cross multiply
    5,529.42x = 7,629.84 × 3,170.70
  4. Step 4: Simplify right side
    5,529.42x = 24,191,933.69
  5. Step 5: Solve for x
    x = 24,191,933.69/5,529.42
  6. Step 6: Final answer
    x = 4,375.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.