Home / 8,201.28-11,323.20-5,062.08

Finding the Fourth Proportional to 8,201.28, 11,323.20 and 5,062.08

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Solution

The fourth proportional to 8,201.28, 11,323.20 and 5,062.08 is: 6,989.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201.28 : 11,323.20 = 5,062.08 : x
  2. Step 2: Convert to fraction form
    8,201.28/11,323.20 = 5,062.08/x
  3. Step 3: Cross multiply
    8,201.28x = 11,323.20 × 5,062.08
  4. Step 4: Simplify right side
    8,201.28x = 57,318,944.26
  5. Step 5: Solve for x
    x = 57,318,944.26/8,201.28
  6. Step 6: Final answer
    x = 6,989.02

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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.