Home / 4,138.88-6,209.37-1,217.18

Finding the Fourth Proportional to 4,138.88, 6,209.37 and 1,217.18

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Solution

The fourth proportional to 4,138.88, 6,209.37 and 1,217.18 is: 1,826.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.88 : 6,209.37 = 1,217.18 : x
  2. Step 2: Convert to fraction form
    4,138.88/6,209.37 = 1,217.18/x
  3. Step 3: Cross multiply
    4,138.88x = 6,209.37 × 1,217.18
  4. Step 4: Simplify right side
    4,138.88x = 7,557,936.50
  5. Step 5: Solve for x
    x = 7,557,936.50/4,138.88
  6. Step 6: Final answer
    x = 1,826.08

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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.