Home / 8,204.10-12,277.80-4,919.55

Finding the Fourth Proportional to 8,204.10, 12,277.80 and 4,919.55

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Solution

The fourth proportional to 8,204.10, 12,277.80 and 4,919.55 is: 7,362.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,204.10 : 12,277.80 = 4,919.55 : x
  2. Step 2: Convert to fraction form
    8,204.10/12,277.80 = 4,919.55/x
  3. Step 3: Cross multiply
    8,204.10x = 12,277.80 × 4,919.55
  4. Step 4: Simplify right side
    8,204.10x = 60,401,250.99
  5. Step 5: Solve for x
    x = 60,401,250.99/8,204.10
  6. Step 6: Final answer
    x = 7,362.33

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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.