Home / 8,821.10-13,228.23-4,435.49

Finding the Fourth Proportional to 8,821.10, 13,228.23 and 4,435.49

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Solution

The fourth proportional to 8,821.10, 13,228.23 and 4,435.49 is: 6,651.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821.10 : 13,228.23 = 4,435.49 : x
  2. Step 2: Convert to fraction form
    8,821.10/13,228.23 = 4,435.49/x
  3. Step 3: Cross multiply
    8,821.10x = 13,228.23 × 4,435.49
  4. Step 4: Simplify right side
    8,821.10x = 58,673,681.88
  5. Step 5: Solve for x
    x = 58,673,681.88/8,821.10
  6. Step 6: Final answer
    x = 6,651.52

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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.