Home / 6,275.76-8,660.16-3,481.26

Finding the Fourth Proportional to 6,275.76, 8,660.16 and 3,481.26

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Solution

The fourth proportional to 6,275.76, 8,660.16 and 3,481.26 is: 4,803.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,275.76 : 8,660.16 = 3,481.26 : x
  2. Step 2: Convert to fraction form
    6,275.76/8,660.16 = 3,481.26/x
  3. Step 3: Cross multiply
    6,275.76x = 8,660.16 × 3,481.26
  4. Step 4: Simplify right side
    6,275.76x = 30,148,268.60
  5. Step 5: Solve for x
    x = 30,148,268.60/6,275.76
  6. Step 6: Final answer
    x = 4,803.92

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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.