Home / 8,821.58-13,232.09-2,977.70

Finding the Fourth Proportional to 8,821.58, 13,232.09 and 2,977.70

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Solution

The fourth proportional to 8,821.58, 13,232.09 and 2,977.70 is: 4,466.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821.58 : 13,232.09 = 2,977.70 : x
  2. Step 2: Convert to fraction form
    8,821.58/13,232.09 = 2,977.70/x
  3. Step 3: Cross multiply
    8,821.58x = 13,232.09 × 2,977.70
  4. Step 4: Simplify right side
    8,821.58x = 39,401,194.39
  5. Step 5: Solve for x
    x = 39,401,194.39/8,821.58
  6. Step 6: Final answer
    x = 4,466.46

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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.