Home / 6,720.09-9,273.72-3,735.96

Finding the Fourth Proportional to 6,720.09, 9,273.72 and 3,735.96

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Solution

The fourth proportional to 6,720.09, 9,273.72 and 3,735.96 is: 5,155.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.09 : 9,273.72 = 3,735.96 : x
  2. Step 2: Convert to fraction form
    6,720.09/9,273.72 = 3,735.96/x
  3. Step 3: Cross multiply
    6,720.09x = 9,273.72 × 3,735.96
  4. Step 4: Simplify right side
    6,720.09x = 34,646,246.97
  5. Step 5: Solve for x
    x = 34,646,246.97/6,720.09
  6. Step 6: Final answer
    x = 5,155.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.