Home / 6,838.15-10,258.24-2,157.66

Finding the Fourth Proportional to 6,838.15, 10,258.24 and 2,157.66

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Solution

The fourth proportional to 6,838.15, 10,258.24 and 2,157.66 is: 3,236.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,838.15 : 10,258.24 = 2,157.66 : x
  2. Step 2: Convert to fraction form
    6,838.15/10,258.24 = 2,157.66/x
  3. Step 3: Cross multiply
    6,838.15x = 10,258.24 × 2,157.66
  4. Step 4: Simplify right side
    6,838.15x = 22,133,788.72
  5. Step 5: Solve for x
    x = 22,133,788.72/6,838.15
  6. Step 6: Final answer
    x = 3,236.81

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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.