Home / 5,022.12-7,531.61-2,099.82

Finding the Fourth Proportional to 5,022.12, 7,531.61 and 2,099.82

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Solution

The fourth proportional to 5,022.12, 7,531.61 and 2,099.82 is: 3,149.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,022.12 : 7,531.61 = 2,099.82 : x
  2. Step 2: Convert to fraction form
    5,022.12/7,531.61 = 2,099.82/x
  3. Step 3: Cross multiply
    5,022.12x = 7,531.61 × 2,099.82
  4. Step 4: Simplify right side
    5,022.12x = 15,815,014.81
  5. Step 5: Solve for x
    x = 15,815,014.81/5,022.12
  6. Step 6: Final answer
    x = 3,149.07

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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.