Home / 8,796.21-12,138.75-4,817.29

Finding the Fourth Proportional to 8,796.21, 12,138.75 and 4,817.29

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Solution

The fourth proportional to 8,796.21, 12,138.75 and 4,817.29 is: 6,647.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796.21 : 12,138.75 = 4,817.29 : x
  2. Step 2: Convert to fraction form
    8,796.21/12,138.75 = 4,817.29/x
  3. Step 3: Cross multiply
    8,796.21x = 12,138.75 × 4,817.29
  4. Step 4: Simplify right side
    8,796.21x = 58,475,878.99
  5. Step 5: Solve for x
    x = 58,475,878.99/8,796.21
  6. Step 6: Final answer
    x = 6,647.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.