Home / 4,117.08-5,687.10-3,922.68

Finding the Fourth Proportional to 4,117.08, 5,687.10 and 3,922.68

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Solution

The fourth proportional to 4,117.08, 5,687.10 and 3,922.68 is: 5,418.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.08 : 5,687.10 = 3,922.68 : x
  2. Step 2: Convert to fraction form
    4,117.08/5,687.10 = 3,922.68/x
  3. Step 3: Cross multiply
    4,117.08x = 5,687.10 × 3,922.68
  4. Step 4: Simplify right side
    4,117.08x = 22,308,673.43
  5. Step 5: Solve for x
    x = 22,308,673.43/4,117.08
  6. Step 6: Final answer
    x = 5,418.57

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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.