Home / 8,822.66-13,235.27-2,977.90

Finding the Fourth Proportional to 8,822.66, 13,235.27 and 2,977.90

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Solution

The fourth proportional to 8,822.66, 13,235.27 and 2,977.90 is: 4,467.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,822.66 : 13,235.27 = 2,977.90 : x
  2. Step 2: Convert to fraction form
    8,822.66/13,235.27 = 2,977.90/x
  3. Step 3: Cross multiply
    8,822.66x = 13,235.27 × 2,977.90
  4. Step 4: Simplify right side
    8,822.66x = 39,413,262.56
  5. Step 5: Solve for x
    x = 39,413,262.56/8,822.66
  6. Step 6: Final answer
    x = 4,467.28

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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.