Home / 7,964.71-11,956.30-4,274.15

Finding the Fourth Proportional to 7,964.71, 11,956.30 and 4,274.15

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Solution

The fourth proportional to 7,964.71, 11,956.30 and 4,274.15 is: 6,416.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964.71 : 11,956.30 = 4,274.15 : x
  2. Step 2: Convert to fraction form
    7,964.71/11,956.30 = 4,274.15/x
  3. Step 3: Cross multiply
    7,964.71x = 11,956.30 × 4,274.15
  4. Step 4: Simplify right side
    7,964.71x = 51,103,019.65
  5. Step 5: Solve for x
    x = 51,103,019.65/7,964.71
  6. Step 6: Final answer
    x = 6,416.18

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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.