Home / 6,720.21-10,081.49-2,824.29

Finding the Fourth Proportional to 6,720.21, 10,081.49 and 2,824.29

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Solution

The fourth proportional to 6,720.21, 10,081.49 and 2,824.29 is: 4,236.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.21 : 10,081.49 = 2,824.29 : x
  2. Step 2: Convert to fraction form
    6,720.21/10,081.49 = 2,824.29/x
  3. Step 3: Cross multiply
    6,720.21x = 10,081.49 × 2,824.29
  4. Step 4: Simplify right side
    6,720.21x = 28,473,037.27
  5. Step 5: Solve for x
    x = 28,473,037.27/6,720.21
  6. Step 6: Final answer
    x = 4,236.93

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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.