Home / 4,886.96-6,737.66-3,115.49

Finding the Fourth Proportional to 4,886.96, 6,737.66 and 3,115.49

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Solution

The fourth proportional to 4,886.96, 6,737.66 and 3,115.49 is: 4,295.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.96 : 6,737.66 = 3,115.49 : x
  2. Step 2: Convert to fraction form
    4,886.96/6,737.66 = 3,115.49/x
  3. Step 3: Cross multiply
    4,886.96x = 6,737.66 × 3,115.49
  4. Step 4: Simplify right side
    4,886.96x = 20,991,112.35
  5. Step 5: Solve for x
    x = 20,991,112.35/4,886.96
  6. Step 6: Final answer
    x = 4,295.33

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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.