Home / 6,789.28-10,197.36-4,126.36

Finding the Fourth Proportional to 6,789.28, 10,197.36 and 4,126.36

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Solution

The fourth proportional to 6,789.28, 10,197.36 and 4,126.36 is: 6,197.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789.28 : 10,197.36 = 4,126.36 : x
  2. Step 2: Convert to fraction form
    6,789.28/10,197.36 = 4,126.36/x
  3. Step 3: Cross multiply
    6,789.28x = 10,197.36 × 4,126.36
  4. Step 4: Simplify right side
    6,789.28x = 42,077,978.41
  5. Step 5: Solve for x
    x = 42,077,978.41/6,789.28
  6. Step 6: Final answer
    x = 6,197.71

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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.