Home / 8,820.86-13,233.24-2,977.34

Finding the Fourth Proportional to 8,820.86, 13,233.24 and 2,977.34

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Solution

The fourth proportional to 8,820.86, 13,233.24 and 2,977.34 is: 4,466.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.86 : 13,233.24 = 2,977.34 : x
  2. Step 2: Convert to fraction form
    8,820.86/13,233.24 = 2,977.34/x
  3. Step 3: Cross multiply
    8,820.86x = 13,233.24 × 2,977.34
  4. Step 4: Simplify right side
    8,820.86x = 39,399,788.62
  5. Step 5: Solve for x
    x = 39,399,788.62/8,820.86
  6. Step 6: Final answer
    x = 4,466.66

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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.