Home / 5,253.14-7,874.84-1,968.39

Finding the Fourth Proportional to 5,253.14, 7,874.84 and 1,968.39

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Solution

The fourth proportional to 5,253.14, 7,874.84 and 1,968.39 is: 2,950.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.14 : 7,874.84 = 1,968.39 : x
  2. Step 2: Convert to fraction form
    5,253.14/7,874.84 = 1,968.39/x
  3. Step 3: Cross multiply
    5,253.14x = 7,874.84 × 1,968.39
  4. Step 4: Simplify right side
    5,253.14x = 15,500,746.47
  5. Step 5: Solve for x
    x = 15,500,746.47/5,253.14
  6. Step 6: Final answer
    x = 2,950.76

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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.