Home / 5,542.69-8,288.78-4,138.09

Finding the Fourth Proportional to 5,542.69, 8,288.78 and 4,138.09

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Solution

The fourth proportional to 5,542.69, 8,288.78 and 4,138.09 is: 6,188.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,542.69 : 8,288.78 = 4,138.09 : x
  2. Step 2: Convert to fraction form
    5,542.69/8,288.78 = 4,138.09/x
  3. Step 3: Cross multiply
    5,542.69x = 8,288.78 × 4,138.09
  4. Step 4: Simplify right side
    5,542.69x = 34,299,712.63
  5. Step 5: Solve for x
    x = 34,299,712.63/5,542.69
  6. Step 6: Final answer
    x = 6,188.28

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1.5x scale

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.