Home / 6,853.91-10,272.87-2,689.65

Finding the Fourth Proportional to 6,853.91, 10,272.87 and 2,689.65

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Solution

The fourth proportional to 6,853.91, 10,272.87 and 2,689.65 is: 4,031.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,853.91 : 10,272.87 = 2,689.65 : x
  2. Step 2: Convert to fraction form
    6,853.91/10,272.87 = 2,689.65/x
  3. Step 3: Cross multiply
    6,853.91x = 10,272.87 × 2,689.65
  4. Step 4: Simplify right side
    6,853.91x = 27,630,424.80
  5. Step 5: Solve for x
    x = 27,630,424.80/6,853.91
  6. Step 6: Final answer
    x = 4,031.34

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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.