Home / 5,561.36-7,674.61-3,171.26

Finding the Fourth Proportional to 5,561.36, 7,674.61 and 3,171.26

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Solution

The fourth proportional to 5,561.36, 7,674.61 and 3,171.26 is: 4,376.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.36 : 7,674.61 = 3,171.26 : x
  2. Step 2: Convert to fraction form
    5,561.36/7,674.61 = 3,171.26/x
  3. Step 3: Cross multiply
    5,561.36x = 7,674.61 × 3,171.26
  4. Step 4: Simplify right side
    5,561.36x = 24,338,137.41
  5. Step 5: Solve for x
    x = 24,338,137.41/5,561.36
  6. Step 6: Final answer
    x = 4,376.29

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Half scale
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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.