Home / 6,721.00-9,275.72-3,850.00

Finding the Fourth Proportional to 6,721.00, 9,275.72 and 3,850.00

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Solution

The fourth proportional to 6,721.00, 9,275.72 and 3,850.00 is: 5,313.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.00 : 9,275.72 = 3,850.00 : x
  2. Step 2: Convert to fraction form
    6,721.00/9,275.72 = 3,850.00/x
  3. Step 3: Cross multiply
    6,721.00x = 9,275.72 × 3,850.00
  4. Step 4: Simplify right side
    6,721.00x = 35,711,479.56
  5. Step 5: Solve for x
    x = 35,711,479.56/6,721.00
  6. Step 6: Final answer
    x = 5,313.42

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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.