Home / 8,090.07-12,138.02-2,825.85

Finding the Fourth Proportional to 8,090.07, 12,138.02 and 2,825.85

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Solution

The fourth proportional to 8,090.07, 12,138.02 and 2,825.85 is: 4,239.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.07 : 12,138.02 = 2,825.85 : x
  2. Step 2: Convert to fraction form
    8,090.07/12,138.02 = 2,825.85/x
  3. Step 3: Cross multiply
    8,090.07x = 12,138.02 × 2,825.85
  4. Step 4: Simplify right side
    8,090.07x = 34,300,230.88
  5. Step 5: Solve for x
    x = 34,300,230.88/8,090.07
  6. Step 6: Final answer
    x = 4,239.79

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1.5x scale

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.