Home / 6,891.80-9,514.20-4,665.44

Finding the Fourth Proportional to 6,891.80, 9,514.20 and 4,665.44

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Solution

The fourth proportional to 6,891.80, 9,514.20 and 4,665.44 is: 6,440.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891.80 : 9,514.20 = 4,665.44 : x
  2. Step 2: Convert to fraction form
    6,891.80/9,514.20 = 4,665.44/x
  3. Step 3: Cross multiply
    6,891.80x = 9,514.20 × 4,665.44
  4. Step 4: Simplify right side
    6,891.80x = 44,387,929.25
  5. Step 5: Solve for x
    x = 44,387,929.25/6,891.80
  6. Step 6: Final answer
    x = 6,440.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.