Home / 8,729.32-13,089.66-4,568.68

Finding the Fourth Proportional to 8,729.32, 13,089.66 and 4,568.68

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Solution

The fourth proportional to 8,729.32, 13,089.66 and 4,568.68 is: 6,850.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.32 : 13,089.66 = 4,568.68 : x
  2. Step 2: Convert to fraction form
    8,729.32/13,089.66 = 4,568.68/x
  3. Step 3: Cross multiply
    8,729.32x = 13,089.66 × 4,568.68
  4. Step 4: Simplify right side
    8,729.32x = 59,802,467.85
  5. Step 5: Solve for x
    x = 59,802,467.85/8,729.32
  6. Step 6: Final answer
    x = 6,850.76

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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.