Home / 8,679.51-13,019.94-2,440.04

Finding the Fourth Proportional to 8,679.51, 13,019.94 and 2,440.04

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Solution

The fourth proportional to 8,679.51, 13,019.94 and 2,440.04 is: 3,660.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,679.51 : 13,019.94 = 2,440.04 : x
  2. Step 2: Convert to fraction form
    8,679.51/13,019.94 = 2,440.04/x
  3. Step 3: Cross multiply
    8,679.51x = 13,019.94 × 2,440.04
  4. Step 4: Simplify right side
    8,679.51x = 31,769,109.30
  5. Step 5: Solve for x
    x = 31,769,109.30/8,679.51
  6. Step 6: Final answer
    x = 3,660.24

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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.