Home / 5,036.06-6,946.91-3,145.33

Finding the Fourth Proportional to 5,036.06, 6,946.91 and 3,145.33

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Solution

The fourth proportional to 5,036.06, 6,946.91 and 3,145.33 is: 4,338.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,036.06 : 6,946.91 = 3,145.33 : x
  2. Step 2: Convert to fraction form
    5,036.06/6,946.91 = 3,145.33/x
  3. Step 3: Cross multiply
    5,036.06x = 6,946.91 × 3,145.33
  4. Step 4: Simplify right side
    5,036.06x = 21,850,346.87
  5. Step 5: Solve for x
    x = 21,850,346.87/5,036.06
  6. Step 6: Final answer
    x = 4,338.78

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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.