Home / 4,117.43-5,678.91-2,858.49

Finding the Fourth Proportional to 4,117.43, 5,678.91 and 2,858.49

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Solution

The fourth proportional to 4,117.43, 5,678.91 and 2,858.49 is: 3,942.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.43 : 5,678.91 = 2,858.49 : x
  2. Step 2: Convert to fraction form
    4,117.43/5,678.91 = 2,858.49/x
  3. Step 3: Cross multiply
    4,117.43x = 5,678.91 × 2,858.49
  4. Step 4: Simplify right side
    4,117.43x = 16,233,107.45
  5. Step 5: Solve for x
    x = 16,233,107.45/4,117.43
  6. Step 6: Final answer
    x = 3,942.53

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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.