Home / 8,110.81-12,168.38-2,564.26

Finding the Fourth Proportional to 8,110.81, 12,168.38 and 2,564.26

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Solution

The fourth proportional to 8,110.81, 12,168.38 and 2,564.26 is: 3,847.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,110.81 : 12,168.38 = 2,564.26 : x
  2. Step 2: Convert to fraction form
    8,110.81/12,168.38 = 2,564.26/x
  3. Step 3: Cross multiply
    8,110.81x = 12,168.38 × 2,564.26
  4. Step 4: Simplify right side
    8,110.81x = 31,202,851.66
  5. Step 5: Solve for x
    x = 31,202,851.66/8,110.81
  6. Step 6: Final answer
    x = 3,847.07

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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.