Home / 6,439.08-9,659.82-2,057.64

Finding the Fourth Proportional to 6,439.08, 9,659.82 and 2,057.64

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Solution

The fourth proportional to 6,439.08, 9,659.82 and 2,057.64 is: 3,086.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439.08 : 9,659.82 = 2,057.64 : x
  2. Step 2: Convert to fraction form
    6,439.08/9,659.82 = 2,057.64/x
  3. Step 3: Cross multiply
    6,439.08x = 9,659.82 × 2,057.64
  4. Step 4: Simplify right side
    6,439.08x = 19,876,432.02
  5. Step 5: Solve for x
    x = 19,876,432.02/6,439.08
  6. Step 6: Final answer
    x = 3,086.84

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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.