Home / 7,956.46-10,979.76-4,419.62

Finding the Fourth Proportional to 7,956.46, 10,979.76 and 4,419.62

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Solution

The fourth proportional to 7,956.46, 10,979.76 and 4,419.62 is: 6,098.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,956.46 : 10,979.76 = 4,419.62 : x
  2. Step 2: Convert to fraction form
    7,956.46/10,979.76 = 4,419.62/x
  3. Step 3: Cross multiply
    7,956.46x = 10,979.76 × 4,419.62
  4. Step 4: Simplify right side
    7,956.46x = 48,526,366.89
  5. Step 5: Solve for x
    x = 48,526,366.89/7,956.46
  6. Step 6: Final answer
    x = 6,098.99

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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.