Home / 4,120.30-6,177.72-2,272.30

Finding the Fourth Proportional to 4,120.30, 6,177.72 and 2,272.30

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Solution

The fourth proportional to 4,120.30, 6,177.72 and 2,272.30 is: 3,406.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.30 : 6,177.72 = 2,272.30 : x
  2. Step 2: Convert to fraction form
    4,120.30/6,177.72 = 2,272.30/x
  3. Step 3: Cross multiply
    4,120.30x = 6,177.72 × 2,272.30
  4. Step 4: Simplify right side
    4,120.30x = 14,037,633.16
  5. Step 5: Solve for x
    x = 14,037,633.16/4,120.30
  6. Step 6: Final answer
    x = 3,406.94

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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.