Home / 4,727.88-6,524.79-3,131.76

Finding the Fourth Proportional to 4,727.88, 6,524.79 and 3,131.76

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Solution

The fourth proportional to 4,727.88, 6,524.79 and 3,131.76 is: 4,322.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.88 : 6,524.79 = 3,131.76 : x
  2. Step 2: Convert to fraction form
    4,727.88/6,524.79 = 3,131.76/x
  3. Step 3: Cross multiply
    4,727.88x = 6,524.79 × 3,131.76
  4. Step 4: Simplify right side
    4,727.88x = 20,434,076.33
  5. Step 5: Solve for x
    x = 20,434,076.33/4,727.88
  6. Step 6: Final answer
    x = 4,322.04

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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.