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Finding the Fourth Proportional to 8,822.10, 13,226.21 and 6,040.34

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Solution

The fourth proportional to 8,822.10, 13,226.21 and 6,040.34 is: 9,055.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,822.10 : 13,226.21 = 6,040.34 : x
  2. Step 2: Convert to fraction form
    8,822.10/13,226.21 = 6,040.34/x
  3. Step 3: Cross multiply
    8,822.10x = 13,226.21 × 6,040.34
  4. Step 4: Simplify right side
    8,822.10x = 79,890,708.98
  5. Step 5: Solve for x
    x = 79,890,708.98/8,822.10
  6. Step 6: Final answer
    x = 9,055.75

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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.