Home / 4,933.20-7,401.16-3,178.80

Finding the Fourth Proportional to 4,933.20, 7,401.16 and 3,178.80

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Solution

The fourth proportional to 4,933.20, 7,401.16 and 3,178.80 is: 4,769.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,933.20 : 7,401.16 = 3,178.80 : x
  2. Step 2: Convert to fraction form
    4,933.20/7,401.16 = 3,178.80/x
  3. Step 3: Cross multiply
    4,933.20x = 7,401.16 × 3,178.80
  4. Step 4: Simplify right side
    4,933.20x = 23,526,807.41
  5. Step 5: Solve for x
    x = 23,526,807.41/4,933.20
  6. Step 6: Final answer
    x = 4,769.08

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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.