Home / 5,072.14-7,608.21-2,881.90

Finding the Fourth Proportional to 5,072.14, 7,608.21 and 2,881.90

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Solution

The fourth proportional to 5,072.14, 7,608.21 and 2,881.90 is: 4,322.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.14 : 7,608.21 = 2,881.90 : x
  2. Step 2: Convert to fraction form
    5,072.14/7,608.21 = 2,881.90/x
  3. Step 3: Cross multiply
    5,072.14x = 7,608.21 × 2,881.90
  4. Step 4: Simplify right side
    5,072.14x = 21,926,100.40
  5. Step 5: Solve for x
    x = 21,926,100.40/5,072.14
  6. Step 6: Final answer
    x = 4,322.85

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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.