Home / 8,729.02-13,093.59-2,489.02

Finding the Fourth Proportional to 8,729.02, 13,093.59 and 2,489.02

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Solution

The fourth proportional to 8,729.02, 13,093.59 and 2,489.02 is: 3,733.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.02 : 13,093.59 = 2,489.02 : x
  2. Step 2: Convert to fraction form
    8,729.02/13,093.59 = 2,489.02/x
  3. Step 3: Cross multiply
    8,729.02x = 13,093.59 × 2,489.02
  4. Step 4: Simplify right side
    8,729.02x = 32,590,174.65
  5. Step 5: Solve for x
    x = 32,590,174.65/8,729.02
  6. Step 6: Final answer
    x = 3,733.54

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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.