Home / 8,111.16-11,193.74-5,125.91

Finding the Fourth Proportional to 8,111.16, 11,193.74 and 5,125.91

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Solution

The fourth proportional to 8,111.16, 11,193.74 and 5,125.91 is: 7,073.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,111.16 : 11,193.74 = 5,125.91 : x
  2. Step 2: Convert to fraction form
    8,111.16/11,193.74 = 5,125.91/x
  3. Step 3: Cross multiply
    8,111.16x = 11,193.74 × 5,125.91
  4. Step 4: Simplify right side
    8,111.16x = 57,378,022.21
  5. Step 5: Solve for x
    x = 57,378,022.21/8,111.16
  6. Step 6: Final answer
    x = 7,073.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.