Home / 8,090.44-12,135.42-3,930.76

Finding the Fourth Proportional to 8,090.44, 12,135.42 and 3,930.76

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Solution

The fourth proportional to 8,090.44, 12,135.42 and 3,930.76 is: 5,896.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.44 : 12,135.42 = 3,930.76 : x
  2. Step 2: Convert to fraction form
    8,090.44/12,135.42 = 3,930.76/x
  3. Step 3: Cross multiply
    8,090.44x = 12,135.42 × 3,930.76
  4. Step 4: Simplify right side
    8,090.44x = 47,701,423.52
  5. Step 5: Solve for x
    x = 47,701,423.52/8,090.44
  6. Step 6: Final answer
    x = 5,896.02

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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.