Home / 8,079.24-12,119.13-2,235.36

Finding the Fourth Proportional to 8,079.24, 12,119.13 and 2,235.36

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Solution

The fourth proportional to 8,079.24, 12,119.13 and 2,235.36 is: 3,353.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.24 : 12,119.13 = 2,235.36 : x
  2. Step 2: Convert to fraction form
    8,079.24/12,119.13 = 2,235.36/x
  3. Step 3: Cross multiply
    8,079.24x = 12,119.13 × 2,235.36
  4. Step 4: Simplify right side
    8,079.24x = 27,090,607.26
  5. Step 5: Solve for x
    x = 27,090,607.26/8,079.24
  6. Step 6: Final answer
    x = 3,353.11

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.