Home / 5,440.14-8,161.41-1,977.39

Finding the Fourth Proportional to 5,440.14, 8,161.41 and 1,977.39

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Solution

The fourth proportional to 5,440.14, 8,161.41 and 1,977.39 is: 2,966.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.14 : 8,161.41 = 1,977.39 : x
  2. Step 2: Convert to fraction form
    5,440.14/8,161.41 = 1,977.39/x
  3. Step 3: Cross multiply
    5,440.14x = 8,161.41 × 1,977.39
  4. Step 4: Simplify right side
    5,440.14x = 16,138,290.52
  5. Step 5: Solve for x
    x = 16,138,290.52/5,440.14
  6. Step 6: Final answer
    x = 2,966.52

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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.