Home / 6,979.24-10,469.46-1,981.63

Finding the Fourth Proportional to 6,979.24, 10,469.46 and 1,981.63

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Solution

The fourth proportional to 6,979.24, 10,469.46 and 1,981.63 is: 2,972.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.24 : 10,469.46 = 1,981.63 : x
  2. Step 2: Convert to fraction form
    6,979.24/10,469.46 = 1,981.63/x
  3. Step 3: Cross multiply
    6,979.24x = 10,469.46 × 1,981.63
  4. Step 4: Simplify right side
    6,979.24x = 20,746,596.02
  5. Step 5: Solve for x
    x = 20,746,596.02/6,979.24
  6. Step 6: Final answer
    x = 2,972.62

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Similar ratio
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1.5x scale

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.