Home / 6,305.44-9,459.20-2,145.72

Finding the Fourth Proportional to 6,305.44, 9,459.20 and 2,145.72

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Solution

The fourth proportional to 6,305.44, 9,459.20 and 2,145.72 is: 3,218.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,305.44 : 9,459.20 = 2,145.72 : x
  2. Step 2: Convert to fraction form
    6,305.44/9,459.20 = 2,145.72/x
  3. Step 3: Cross multiply
    6,305.44x = 9,459.20 × 2,145.72
  4. Step 4: Simplify right side
    6,305.44x = 20,296,794.62
  5. Step 5: Solve for x
    x = 20,296,794.62/6,305.44
  6. Step 6: Final answer
    x = 3,218.93

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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.