Home / 6,721.38-10,081.80-4,738.77

Finding the Fourth Proportional to 6,721.38, 10,081.80 and 4,738.77

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Solution

The fourth proportional to 6,721.38, 10,081.80 and 4,738.77 is: 7,107.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.38 : 10,081.80 = 4,738.77 : x
  2. Step 2: Convert to fraction form
    6,721.38/10,081.80 = 4,738.77/x
  3. Step 3: Cross multiply
    6,721.38x = 10,081.80 × 4,738.77
  4. Step 4: Simplify right side
    6,721.38x = 47,775,331.39
  5. Step 5: Solve for x
    x = 47,775,331.39/6,721.38
  6. Step 6: Final answer
    x = 7,107.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.