Home / 6,109.19-9,164.22-2,991.80

Finding the Fourth Proportional to 6,109.19, 9,164.22 and 2,991.80

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Solution

The fourth proportional to 6,109.19, 9,164.22 and 2,991.80 is: 4,487.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,109.19 : 9,164.22 = 2,991.80 : x
  2. Step 2: Convert to fraction form
    6,109.19/9,164.22 = 2,991.80/x
  3. Step 3: Cross multiply
    6,109.19x = 9,164.22 × 2,991.80
  4. Step 4: Simplify right side
    6,109.19x = 27,417,513.40
  5. Step 5: Solve for x
    x = 27,417,513.40/6,109.19
  6. Step 6: Final answer
    x = 4,487.91

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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.