Home / 8,729.86-13,094.82-2,489.08

Finding the Fourth Proportional to 8,729.86, 13,094.82 and 2,489.08

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Solution

The fourth proportional to 8,729.86, 13,094.82 and 2,489.08 is: 3,733.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.86 : 13,094.82 = 2,489.08 : x
  2. Step 2: Convert to fraction form
    8,729.86/13,094.82 = 2,489.08/x
  3. Step 3: Cross multiply
    8,729.86x = 13,094.82 × 2,489.08
  4. Step 4: Simplify right side
    8,729.86x = 32,594,054.57
  5. Step 5: Solve for x
    x = 32,594,054.57/8,729.86
  6. Step 6: Final answer
    x = 3,733.63

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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.