Home / 4,060.20-6,090.37-1,286.90

Finding the Fourth Proportional to 4,060.20, 6,090.37 and 1,286.90

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Solution

The fourth proportional to 4,060.20, 6,090.37 and 1,286.90 is: 1,930.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,060.20 : 6,090.37 = 1,286.90 : x
  2. Step 2: Convert to fraction form
    4,060.20/6,090.37 = 1,286.90/x
  3. Step 3: Cross multiply
    4,060.20x = 6,090.37 × 1,286.90
  4. Step 4: Simplify right side
    4,060.20x = 7,837,663.48
  5. Step 5: Solve for x
    x = 7,837,663.48/4,060.20
  6. Step 6: Final answer
    x = 1,930.36

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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.