Home / 8,122.19-12,167.73-4,825.26

Finding the Fourth Proportional to 8,122.19, 12,167.73 and 4,825.26

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Solution

The fourth proportional to 8,122.19, 12,167.73 and 4,825.26 is: 7,228.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122.19 : 12,167.73 = 4,825.26 : x
  2. Step 2: Convert to fraction form
    8,122.19/12,167.73 = 4,825.26/x
  3. Step 3: Cross multiply
    8,122.19x = 12,167.73 × 4,825.26
  4. Step 4: Simplify right side
    8,122.19x = 58,712,460.86
  5. Step 5: Solve for x
    x = 58,712,460.86/8,122.19
  6. Step 6: Final answer
    x = 7,228.65

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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.