Home / 8,679.03-13,022.19-4,786.17

Finding the Fourth Proportional to 8,679.03, 13,022.19 and 4,786.17

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Solution

The fourth proportional to 8,679.03, 13,022.19 and 4,786.17 is: 7,181.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,679.03 : 13,022.19 = 4,786.17 : x
  2. Step 2: Convert to fraction form
    8,679.03/13,022.19 = 4,786.17/x
  3. Step 3: Cross multiply
    8,679.03x = 13,022.19 × 4,786.17
  4. Step 4: Simplify right side
    8,679.03x = 62,326,415.11
  5. Step 5: Solve for x
    x = 62,326,415.11/8,679.03
  6. Step 6: Final answer
    x = 7,181.27

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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.