Home / 8,039.70-12,061.28-2,492.93

Finding the Fourth Proportional to 8,039.70, 12,061.28 and 2,492.93

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Solution

The fourth proportional to 8,039.70, 12,061.28 and 2,492.93 is: 3,739.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,039.70 : 12,061.28 = 2,492.93 : x
  2. Step 2: Convert to fraction form
    8,039.70/12,061.28 = 2,492.93/x
  3. Step 3: Cross multiply
    8,039.70x = 12,061.28 × 2,492.93
  4. Step 4: Simplify right side
    8,039.70x = 30,067,884.13
  5. Step 5: Solve for x
    x = 30,067,884.13/8,039.70
  6. Step 6: Final answer
    x = 3,739.93

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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.