Home / 5,687.07-7,847.94-3,169.13

Finding the Fourth Proportional to 5,687.07, 7,847.94 and 3,169.13

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Solution

The fourth proportional to 5,687.07, 7,847.94 and 3,169.13 is: 4,373.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687.07 : 7,847.94 = 3,169.13 : x
  2. Step 2: Convert to fraction form
    5,687.07/7,847.94 = 3,169.13/x
  3. Step 3: Cross multiply
    5,687.07x = 7,847.94 × 3,169.13
  4. Step 4: Simplify right side
    5,687.07x = 24,871,142.09
  5. Step 5: Solve for x
    x = 24,871,142.09/5,687.07
  6. Step 6: Final answer
    x = 4,373.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.