Home / 4,131.91-6,197.25-1,358.47

Finding the Fourth Proportional to 4,131.91, 6,197.25 and 1,358.47

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Solution

The fourth proportional to 4,131.91, 6,197.25 and 1,358.47 is: 2,037.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131.91 : 6,197.25 = 1,358.47 : x
  2. Step 2: Convert to fraction form
    4,131.91/6,197.25 = 1,358.47/x
  3. Step 3: Cross multiply
    4,131.91x = 6,197.25 × 1,358.47
  4. Step 4: Simplify right side
    4,131.91x = 8,418,747.22
  5. Step 5: Solve for x
    x = 8,418,747.22/4,131.91
  6. Step 6: Final answer
    x = 2,037.50

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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.