Home / 7,659.08-11,489.72-2,727.28

Finding the Fourth Proportional to 7,659.08, 11,489.72 and 2,727.28

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Solution

The fourth proportional to 7,659.08, 11,489.72 and 2,727.28 is: 4,091.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,659.08 : 11,489.72 = 2,727.28 : x
  2. Step 2: Convert to fraction form
    7,659.08/11,489.72 = 2,727.28/x
  3. Step 3: Cross multiply
    7,659.08x = 11,489.72 × 2,727.28
  4. Step 4: Simplify right side
    7,659.08x = 31,335,683.56
  5. Step 5: Solve for x
    x = 31,335,683.56/7,659.08
  6. Step 6: Final answer
    x = 4,091.31

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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.