Home / 7,169.64-10,756.41-2,171.80

Finding the Fourth Proportional to 7,169.64, 10,756.41 and 2,171.80

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Solution

The fourth proportional to 7,169.64, 10,756.41 and 2,171.80 is: 3,258.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169.64 : 10,756.41 = 2,171.80 : x
  2. Step 2: Convert to fraction form
    7,169.64/10,756.41 = 2,171.80/x
  3. Step 3: Cross multiply
    7,169.64x = 10,756.41 × 2,171.80
  4. Step 4: Simplify right side
    7,169.64x = 23,360,771.24
  5. Step 5: Solve for x
    x = 23,360,771.24/7,169.64
  6. Step 6: Final answer
    x = 3,258.29

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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.