Home / 8,039.28-12,054.40-2,491.04

Finding the Fourth Proportional to 8,039.28, 12,054.40 and 2,491.04

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Solution

The fourth proportional to 8,039.28, 12,054.40 and 2,491.04 is: 3,735.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,039.28 : 12,054.40 = 2,491.04 : x
  2. Step 2: Convert to fraction form
    8,039.28/12,054.40 = 2,491.04/x
  3. Step 3: Cross multiply
    8,039.28x = 12,054.40 × 2,491.04
  4. Step 4: Simplify right side
    8,039.28x = 30,027,992.58
  5. Step 5: Solve for x
    x = 30,027,992.58/8,039.28
  6. Step 6: Final answer
    x = 3,735.16

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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.