Home / 6,910.92-10,364.25-1,979.24

Finding the Fourth Proportional to 6,910.92, 10,364.25 and 1,979.24

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Solution

The fourth proportional to 6,910.92, 10,364.25 and 1,979.24 is: 2,968.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,910.92 : 10,364.25 = 1,979.24 : x
  2. Step 2: Convert to fraction form
    6,910.92/10,364.25 = 1,979.24/x
  3. Step 3: Cross multiply
    6,910.92x = 10,364.25 × 1,979.24
  4. Step 4: Simplify right side
    6,910.92x = 20,513,293.77
  5. Step 5: Solve for x
    x = 20,513,293.77/6,910.92
  6. Step 6: Final answer
    x = 2,968.24

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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.