Home / 6,474.20-9,712.26-2,090.20

Finding the Fourth Proportional to 6,474.20, 9,712.26 and 2,090.20

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Solution

The fourth proportional to 6,474.20, 9,712.26 and 2,090.20 is: 3,135.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,474.20 : 9,712.26 = 2,090.20 : x
  2. Step 2: Convert to fraction form
    6,474.20/9,712.26 = 2,090.20/x
  3. Step 3: Cross multiply
    6,474.20x = 9,712.26 × 2,090.20
  4. Step 4: Simplify right side
    6,474.20x = 20,300,565.85
  5. Step 5: Solve for x
    x = 20,300,565.85/6,474.20
  6. Step 6: Final answer
    x = 3,135.61

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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.