Home / 4,120.11-6,179.65-1,346.55

Finding the Fourth Proportional to 4,120.11, 6,179.65 and 1,346.55

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Solution

The fourth proportional to 4,120.11, 6,179.65 and 1,346.55 is: 2,019.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.11 : 6,179.65 = 1,346.55 : x
  2. Step 2: Convert to fraction form
    4,120.11/6,179.65 = 1,346.55/x
  3. Step 3: Cross multiply
    4,120.11x = 6,179.65 × 1,346.55
  4. Step 4: Simplify right side
    4,120.11x = 8,321,207.71
  5. Step 5: Solve for x
    x = 8,321,207.71/4,120.11
  6. Step 6: Final answer
    x = 2,019.66

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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.