Home / 6,275.78-8,660.59-3,481.28

Finding the Fourth Proportional to 6,275.78, 8,660.59 and 3,481.28

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Solution

The fourth proportional to 6,275.78, 8,660.59 and 3,481.28 is: 4,804.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,275.78 : 8,660.59 = 3,481.28 : x
  2. Step 2: Convert to fraction form
    6,275.78/8,660.59 = 3,481.28/x
  3. Step 3: Cross multiply
    6,275.78x = 8,660.59 × 3,481.28
  4. Step 4: Simplify right side
    6,275.78x = 30,149,921.35
  5. Step 5: Solve for x
    x = 30,149,921.35/6,275.78
  6. Step 6: Final answer
    x = 4,804.17

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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.