Home / 8,767.77-13,153.05-3,219.90

Finding the Fourth Proportional to 8,767.77, 13,153.05 and 3,219.90

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Solution

The fourth proportional to 8,767.77, 13,153.05 and 3,219.90 is: 4,830.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,767.77 : 13,153.05 = 3,219.90 : x
  2. Step 2: Convert to fraction form
    8,767.77/13,153.05 = 3,219.90/x
  3. Step 3: Cross multiply
    8,767.77x = 13,153.05 × 3,219.90
  4. Step 4: Simplify right side
    8,767.77x = 42,351,505.70
  5. Step 5: Solve for x
    x = 42,351,505.70/8,767.77
  6. Step 6: Final answer
    x = 4,830.36

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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.