Home / 6,431.91-9,648.27-2,485.05

Finding the Fourth Proportional to 6,431.91, 9,648.27 and 2,485.05

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Solution

The fourth proportional to 6,431.91, 9,648.27 and 2,485.05 is: 3,727.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431.91 : 9,648.27 = 2,485.05 : x
  2. Step 2: Convert to fraction form
    6,431.91/9,648.27 = 2,485.05/x
  3. Step 3: Cross multiply
    6,431.91x = 9,648.27 × 2,485.05
  4. Step 4: Simplify right side
    6,431.91x = 23,976,433.36
  5. Step 5: Solve for x
    x = 23,976,433.36/6,431.91
  6. Step 6: Final answer
    x = 3,727.73

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Double scale
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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.