Home / 6,889.72-10,335.66-2,727.64

Finding the Fourth Proportional to 6,889.72, 10,335.66 and 2,727.64

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Solution

The fourth proportional to 6,889.72, 10,335.66 and 2,727.64 is: 4,091.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,889.72 : 10,335.66 = 2,727.64 : x
  2. Step 2: Convert to fraction form
    6,889.72/10,335.66 = 2,727.64/x
  3. Step 3: Cross multiply
    6,889.72x = 10,335.66 × 2,727.64
  4. Step 4: Simplify right side
    6,889.72x = 28,191,959.64
  5. Step 5: Solve for x
    x = 28,191,959.64/6,889.72
  6. Step 6: Final answer
    x = 4,091.89

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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.