Home / 6,138.48-9,199.62-2,239.14

Finding the Fourth Proportional to 6,138.48, 9,199.62 and 2,239.14

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Solution

The fourth proportional to 6,138.48, 9,199.62 and 2,239.14 is: 3,355.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138.48 : 9,199.62 = 2,239.14 : x
  2. Step 2: Convert to fraction form
    6,138.48/9,199.62 = 2,239.14/x
  3. Step 3: Cross multiply
    6,138.48x = 9,199.62 × 2,239.14
  4. Step 4: Simplify right side
    6,138.48x = 20,599,237.13
  5. Step 5: Solve for x
    x = 20,599,237.13/6,138.48
  6. Step 6: Final answer
    x = 3,355.76

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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.