Home / 6,813.28-10,224.78-2,920.48

Finding the Fourth Proportional to 6,813.28, 10,224.78 and 2,920.48

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Solution

The fourth proportional to 6,813.28, 10,224.78 and 2,920.48 is: 4,382.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,813.28 : 10,224.78 = 2,920.48 : x
  2. Step 2: Convert to fraction form
    6,813.28/10,224.78 = 2,920.48/x
  3. Step 3: Cross multiply
    6,813.28x = 10,224.78 × 2,920.48
  4. Step 4: Simplify right side
    6,813.28x = 29,861,265.49
  5. Step 5: Solve for x
    x = 29,861,265.49/6,813.28
  6. Step 6: Final answer
    x = 4,382.80

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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.