Home / 8,883.36-13,286.88-5,176.32

Finding the Fourth Proportional to 8,883.36, 13,286.88 and 5,176.32

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Solution

The fourth proportional to 8,883.36, 13,286.88 and 5,176.32 is: 7,742.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,883.36 : 13,286.88 = 5,176.32 : x
  2. Step 2: Convert to fraction form
    8,883.36/13,286.88 = 5,176.32/x
  3. Step 3: Cross multiply
    8,883.36x = 13,286.88 × 5,176.32
  4. Step 4: Simplify right side
    8,883.36x = 68,777,142.68
  5. Step 5: Solve for x
    x = 68,777,142.68/8,883.36
  6. Step 6: Final answer
    x = 7,742.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.