Home / 6,728.83-10,068.64-3,956.81

Finding the Fourth Proportional to 6,728.83, 10,068.64 and 3,956.81

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Solution

The fourth proportional to 6,728.83, 10,068.64 and 3,956.81 is: 5,920.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,728.83 : 10,068.64 = 3,956.81 : x
  2. Step 2: Convert to fraction form
    6,728.83/10,068.64 = 3,956.81/x
  3. Step 3: Cross multiply
    6,728.83x = 10,068.64 × 3,956.81
  4. Step 4: Simplify right side
    6,728.83x = 39,839,635.20
  5. Step 5: Solve for x
    x = 39,839,635.20/6,728.83
  6. Step 6: Final answer
    x = 5,920.74

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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.