Home / 8,090.08-12,138.04-2,825.87

Finding the Fourth Proportional to 8,090.08, 12,138.04 and 2,825.87

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Solution

The fourth proportional to 8,090.08, 12,138.04 and 2,825.87 is: 4,239.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.08 : 12,138.04 = 2,825.87 : x
  2. Step 2: Convert to fraction form
    8,090.08/12,138.04 = 2,825.87/x
  3. Step 3: Cross multiply
    8,090.08x = 12,138.04 × 2,825.87
  4. Step 4: Simplify right side
    8,090.08x = 34,300,523.09
  5. Step 5: Solve for x
    x = 34,300,523.09/8,090.08
  6. Step 6: Final answer
    x = 4,239.82

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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.