Home / 7,956.20-10,979.42-4,419.32

Finding the Fourth Proportional to 7,956.20, 10,979.42 and 4,419.32

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Solution

The fourth proportional to 7,956.20, 10,979.42 and 4,419.32 is: 6,098.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,956.20 : 10,979.42 = 4,419.32 : x
  2. Step 2: Convert to fraction form
    7,956.20/10,979.42 = 4,419.32/x
  3. Step 3: Cross multiply
    7,956.20x = 10,979.42 × 4,419.32
  4. Step 4: Simplify right side
    7,956.20x = 48,521,570.39
  5. Step 5: Solve for x
    x = 48,521,570.39/7,956.20
  6. Step 6: Final answer
    x = 6,098.59

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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.