Home / 5,019.78-7,531.95-2,099.94

Finding the Fourth Proportional to 5,019.78, 7,531.95 and 2,099.94

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Solution

The fourth proportional to 5,019.78, 7,531.95 and 2,099.94 is: 3,150.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.78 : 7,531.95 = 2,099.94 : x
  2. Step 2: Convert to fraction form
    5,019.78/7,531.95 = 2,099.94/x
  3. Step 3: Cross multiply
    5,019.78x = 7,531.95 × 2,099.94
  4. Step 4: Simplify right side
    5,019.78x = 15,816,643.08
  5. Step 5: Solve for x
    x = 15,816,643.08/5,019.78
  6. Step 6: Final answer
    x = 3,150.86

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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.