Home / 4,126.18-6,191.09-1,665.80

Finding the Fourth Proportional to 4,126.18, 6,191.09 and 1,665.80

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Solution

The fourth proportional to 4,126.18, 6,191.09 and 1,665.80 is: 2,499.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126.18 : 6,191.09 = 1,665.80 : x
  2. Step 2: Convert to fraction form
    4,126.18/6,191.09 = 1,665.80/x
  3. Step 3: Cross multiply
    4,126.18x = 6,191.09 × 1,665.80
  4. Step 4: Simplify right side
    4,126.18x = 10,313,117.72
  5. Step 5: Solve for x
    x = 10,313,117.72/4,126.18
  6. Step 6: Final answer
    x = 2,499.43

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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.