Home / 4,120.20-6,175.14-1,777.44

Finding the Fourth Proportional to 4,120.20, 6,175.14 and 1,777.44

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Solution

The fourth proportional to 4,120.20, 6,175.14 and 1,777.44 is: 2,663.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.20 : 6,175.14 = 1,777.44 : x
  2. Step 2: Convert to fraction form
    4,120.20/6,175.14 = 1,777.44/x
  3. Step 3: Cross multiply
    4,120.20x = 6,175.14 × 1,777.44
  4. Step 4: Simplify right side
    4,120.20x = 10,975,940.84
  5. Step 5: Solve for x
    x = 10,975,940.84/4,120.20
  6. Step 6: Final answer
    x = 2,663.93

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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.