Home / 6,979.90-10,471.39-2,299.72

Finding the Fourth Proportional to 6,979.90, 10,471.39 and 2,299.72

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Solution

The fourth proportional to 6,979.90, 10,471.39 and 2,299.72 is: 3,450.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.90 : 10,471.39 = 2,299.72 : x
  2. Step 2: Convert to fraction form
    6,979.90/10,471.39 = 2,299.72/x
  3. Step 3: Cross multiply
    6,979.90x = 10,471.39 × 2,299.72
  4. Step 4: Simplify right side
    6,979.90x = 24,081,265.01
  5. Step 5: Solve for x
    x = 24,081,265.01/6,979.90
  6. Step 6: Final answer
    x = 3,450.09

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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.