Home / 4,117.64-5,678.75-3,320.73

Finding the Fourth Proportional to 4,117.64, 5,678.75 and 3,320.73

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Solution

The fourth proportional to 4,117.64, 5,678.75 and 3,320.73 is: 4,579.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.64 : 5,678.75 = 3,320.73 : x
  2. Step 2: Convert to fraction form
    4,117.64/5,678.75 = 3,320.73/x
  3. Step 3: Cross multiply
    4,117.64x = 5,678.75 × 3,320.73
  4. Step 4: Simplify right side
    4,117.64x = 18,857,578.88
  5. Step 5: Solve for x
    x = 18,857,578.88/4,117.64
  6. Step 6: Final answer
    x = 4,579.71

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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.