Home / 4,138.36-6,207.42-1,216.72

Finding the Fourth Proportional to 4,138.36, 6,207.42 and 1,216.72

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Solution

The fourth proportional to 4,138.36, 6,207.42 and 1,216.72 is: 1,825.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.36 : 6,207.42 = 1,216.72 : x
  2. Step 2: Convert to fraction form
    4,138.36/6,207.42 = 1,216.72/x
  3. Step 3: Cross multiply
    4,138.36x = 6,207.42 × 1,216.72
  4. Step 4: Simplify right side
    4,138.36x = 7,552,692.06
  5. Step 5: Solve for x
    x = 7,552,692.06/4,138.36
  6. Step 6: Final answer
    x = 1,825.04

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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.