Home / 4,138.83-6,206.31-1,216.55

Finding the Fourth Proportional to 4,138.83, 6,206.31 and 1,216.55

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Solution

The fourth proportional to 4,138.83, 6,206.31 and 1,216.55 is: 1,824.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.83 : 6,206.31 = 1,216.55 : x
  2. Step 2: Convert to fraction form
    4,138.83/6,206.31 = 1,216.55/x
  3. Step 3: Cross multiply
    4,138.83x = 6,206.31 × 1,216.55
  4. Step 4: Simplify right side
    4,138.83x = 7,550,301.95
  5. Step 5: Solve for x
    x = 7,550,301.95/4,138.83
  6. Step 6: Final answer
    x = 1,824.26

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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.