Home / 6,719.88-9,273.32-3,735.64

Finding the Fourth Proportional to 6,719.88, 9,273.32 and 3,735.64

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Solution

The fourth proportional to 6,719.88, 9,273.32 and 3,735.64 is: 5,155.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.88 : 9,273.32 = 3,735.64 : x
  2. Step 2: Convert to fraction form
    6,719.88/9,273.32 = 3,735.64/x
  3. Step 3: Cross multiply
    6,719.88x = 9,273.32 × 3,735.64
  4. Step 4: Simplify right side
    6,719.88x = 34,641,785.12
  5. Step 5: Solve for x
    x = 34,641,785.12/6,719.88
  6. Step 6: Final answer
    x = 5,155.12

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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.