Home / 6,135.74-9,201.78-3,212.45

Finding the Fourth Proportional to 6,135.74, 9,201.78 and 3,212.45

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Solution

The fourth proportional to 6,135.74, 9,201.78 and 3,212.45 is: 4,817.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,135.74 : 9,201.78 = 3,212.45 : x
  2. Step 2: Convert to fraction form
    6,135.74/9,201.78 = 3,212.45/x
  3. Step 3: Cross multiply
    6,135.74x = 9,201.78 × 3,212.45
  4. Step 4: Simplify right side
    6,135.74x = 29,560,258.16
  5. Step 5: Solve for x
    x = 29,560,258.16/6,135.74
  6. Step 6: Final answer
    x = 4,817.72

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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.