Home / 8,742.26-13,111.37-2,501.11

Finding the Fourth Proportional to 8,742.26, 13,111.37 and 2,501.11

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Solution

The fourth proportional to 8,742.26, 13,111.37 and 2,501.11 is: 3,751.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742.26 : 13,111.37 = 2,501.11 : x
  2. Step 2: Convert to fraction form
    8,742.26/13,111.37 = 2,501.11/x
  3. Step 3: Cross multiply
    8,742.26x = 13,111.37 × 2,501.11
  4. Step 4: Simplify right side
    8,742.26x = 32,792,991.88
  5. Step 5: Solve for x
    x = 32,792,991.88/8,742.26
  6. Step 6: Final answer
    x = 3,751.09

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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.