Home / 6,127.70-9,178.86-3,197.12

Finding the Fourth Proportional to 6,127.70, 9,178.86 and 3,197.12

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Solution

The fourth proportional to 6,127.70, 9,178.86 and 3,197.12 is: 4,789.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,127.70 : 9,178.86 = 3,197.12 : x
  2. Step 2: Convert to fraction form
    6,127.70/9,178.86 = 3,197.12/x
  3. Step 3: Cross multiply
    6,127.70x = 9,178.86 × 3,197.12
  4. Step 4: Simplify right side
    6,127.70x = 29,345,916.88
  5. Step 5: Solve for x
    x = 29,345,916.88/6,127.70
  6. Step 6: Final answer
    x = 4,789.06

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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.