Home / 7,956.46-10,979.96-4,419.70

Finding the Fourth Proportional to 7,956.46, 10,979.96 and 4,419.70

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Solution

The fourth proportional to 7,956.46, 10,979.96 and 4,419.70 is: 6,099.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,956.46 : 10,979.96 = 4,419.70 : x
  2. Step 2: Convert to fraction form
    7,956.46/10,979.96 = 4,419.70/x
  3. Step 3: Cross multiply
    7,956.46x = 10,979.96 × 4,419.70
  4. Step 4: Simplify right side
    7,956.46x = 48,528,079.66
  5. Step 5: Solve for x
    x = 48,528,079.66/7,956.46
  6. Step 6: Final answer
    x = 6,099.20

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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.