Home / 6,703.20-9,249.84-3,908.88

Finding the Fourth Proportional to 6,703.20, 9,249.84 and 3,908.88

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Solution

The fourth proportional to 6,703.20, 9,249.84 and 3,908.88 is: 5,393.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,703.20 : 9,249.84 = 3,908.88 : x
  2. Step 2: Convert to fraction form
    6,703.20/9,249.84 = 3,908.88/x
  3. Step 3: Cross multiply
    6,703.20x = 9,249.84 × 3,908.88
  4. Step 4: Simplify right side
    6,703.20x = 36,156,514.58
  5. Step 5: Solve for x
    x = 36,156,514.58/6,703.20
  6. Step 6: Final answer
    x = 5,393.92

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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.