Home / 5,026.82-6,934.76-3,138.71

Finding the Fourth Proportional to 5,026.82, 6,934.76 and 3,138.71

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Solution

The fourth proportional to 5,026.82, 6,934.76 and 3,138.71 is: 4,330.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,026.82 : 6,934.76 = 3,138.71 : x
  2. Step 2: Convert to fraction form
    5,026.82/6,934.76 = 3,138.71/x
  3. Step 3: Cross multiply
    5,026.82x = 6,934.76 × 3,138.71
  4. Step 4: Simplify right side
    5,026.82x = 21,766,150.19
  5. Step 5: Solve for x
    x = 21,766,150.19/5,026.82
  6. Step 6: Final answer
    x = 4,330.01

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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.