Home / 4,292.69-5,922.91-3,111.71

Finding the Fourth Proportional to 4,292.69, 5,922.91 and 3,111.71

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Solution

The fourth proportional to 4,292.69, 5,922.91 and 3,111.71 is: 4,293.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,292.69 : 5,922.91 = 3,111.71 : x
  2. Step 2: Convert to fraction form
    4,292.69/5,922.91 = 3,111.71/x
  3. Step 3: Cross multiply
    4,292.69x = 5,922.91 × 3,111.71
  4. Step 4: Simplify right side
    4,292.69x = 18,430,385.30
  5. Step 5: Solve for x
    x = 18,430,385.30/4,292.69
  6. Step 6: Final answer
    x = 4,293.43

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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.