Home / 5,338.78-7,367.46-2,981.50

Finding the Fourth Proportional to 5,338.78, 7,367.46 and 2,981.50

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Solution

The fourth proportional to 5,338.78, 7,367.46 and 2,981.50 is: 4,114.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.78 : 7,367.46 = 2,981.50 : x
  2. Step 2: Convert to fraction form
    5,338.78/7,367.46 = 2,981.50/x
  3. Step 3: Cross multiply
    5,338.78x = 7,367.46 × 2,981.50
  4. Step 4: Simplify right side
    5,338.78x = 21,966,081.99
  5. Step 5: Solve for x
    x = 21,966,081.99/5,338.78
  6. Step 6: Final answer
    x = 4,114.44

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Why These Related Problems?

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