Home / 4,776.85-7,161.78-3,212.97

Finding the Fourth Proportional to 4,776.85, 7,161.78 and 3,212.97

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Solution

The fourth proportional to 4,776.85, 7,161.78 and 3,212.97 is: 4,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,776.85 : 7,161.78 = 3,212.97 : x
  2. Step 2: Convert to fraction form
    4,776.85/7,161.78 = 3,212.97/x
  3. Step 3: Cross multiply
    4,776.85x = 7,161.78 × 3,212.97
  4. Step 4: Simplify right side
    4,776.85x = 23,010,548.48
  5. Step 5: Solve for x
    x = 23,010,548.48/4,776.85
  6. Step 6: Final answer
    x = 4,817.10

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1.5x scale

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.