Home / 4,086.45-6,128.12-1,744.98

Finding the Fourth Proportional to 4,086.45, 6,128.12 and 1,744.98

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Solution

The fourth proportional to 4,086.45, 6,128.12 and 1,744.98 is: 2,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.45 : 6,128.12 = 1,744.98 : x
  2. Step 2: Convert to fraction form
    4,086.45/6,128.12 = 1,744.98/x
  3. Step 3: Cross multiply
    4,086.45x = 6,128.12 × 1,744.98
  4. Step 4: Simplify right side
    4,086.45x = 10,693,428.22
  5. Step 5: Solve for x
    x = 10,693,428.22/4,086.45
  6. Step 6: Final answer
    x = 2,616.80

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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.