Home / 8,867.27-12,236.87-5,330.54

Finding the Fourth Proportional to 8,867.27, 12,236.87 and 5,330.54

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Solution

The fourth proportional to 8,867.27, 12,236.87 and 5,330.54 is: 7,356.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.27 : 12,236.87 = 5,330.54 : x
  2. Step 2: Convert to fraction form
    8,867.27/12,236.87 = 5,330.54/x
  3. Step 3: Cross multiply
    8,867.27x = 12,236.87 × 5,330.54
  4. Step 4: Simplify right side
    8,867.27x = 65,229,168.93
  5. Step 5: Solve for x
    x = 65,229,168.93/8,867.27
  6. Step 6: Final answer
    x = 7,356.17

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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.