Home / 6,138.12-9,212.43-2,442.96

Finding the Fourth Proportional to 6,138.12, 9,212.43 and 2,442.96

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Solution

The fourth proportional to 6,138.12, 9,212.43 and 2,442.96 is: 3,666.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138.12 : 9,212.43 = 2,442.96 : x
  2. Step 2: Convert to fraction form
    6,138.12/9,212.43 = 2,442.96/x
  3. Step 3: Cross multiply
    6,138.12x = 9,212.43 × 2,442.96
  4. Step 4: Simplify right side
    6,138.12x = 22,505,597.99
  5. Step 5: Solve for x
    x = 22,505,597.99/6,138.12
  6. Step 6: Final answer
    x = 3,666.53

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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.