Home / 4,138.60-6,208.09-1,216.92

Finding the Fourth Proportional to 4,138.60, 6,208.09 and 1,216.92

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Solution

The fourth proportional to 4,138.60, 6,208.09 and 1,216.92 is: 1,825.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.60 : 6,208.09 = 1,216.92 : x
  2. Step 2: Convert to fraction form
    4,138.60/6,208.09 = 1,216.92/x
  3. Step 3: Cross multiply
    4,138.60x = 6,208.09 × 1,216.92
  4. Step 4: Simplify right side
    4,138.60x = 7,554,748.88
  5. Step 5: Solve for x
    x = 7,554,748.88/4,138.60
  6. Step 6: Final answer
    x = 1,825.44

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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.