Home / 4,135.11-6,202.01-1,212.74

Finding the Fourth Proportional to 4,135.11, 6,202.01 and 1,212.74

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Solution

The fourth proportional to 4,135.11, 6,202.01 and 1,212.74 is: 1,818.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,135.11 : 6,202.01 = 1,212.74 : x
  2. Step 2: Convert to fraction form
    4,135.11/6,202.01 = 1,212.74/x
  3. Step 3: Cross multiply
    4,135.11x = 6,202.01 × 1,212.74
  4. Step 4: Simplify right side
    4,135.11x = 7,521,394.60
  5. Step 5: Solve for x
    x = 7,521,394.60/4,135.11
  6. Step 6: Final answer
    x = 1,818.91

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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.