Home / 4,132.80-6,199.20-3,940.80

Finding the Fourth Proportional to 4,132.80, 6,199.20 and 3,940.80

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Solution

The fourth proportional to 4,132.80, 6,199.20 and 3,940.80 is: 5,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,132.80 : 6,199.20 = 3,940.80 : x
  2. Step 2: Convert to fraction form
    4,132.80/6,199.20 = 3,940.80/x
  3. Step 3: Cross multiply
    4,132.80x = 6,199.20 × 3,940.80
  4. Step 4: Simplify right side
    4,132.80x = 24,429,807.36
  5. Step 5: Solve for x
    x = 24,429,807.36/4,132.80
  6. Step 6: Final answer
    x = 5,911.20

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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.