Home / 4,179.56-6,268.15-1,680.74

Finding the Fourth Proportional to 4,179.56, 6,268.15 and 1,680.74

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Solution

The fourth proportional to 4,179.56, 6,268.15 and 1,680.74 is: 2,520.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.56 : 6,268.15 = 1,680.74 : x
  2. Step 2: Convert to fraction form
    4,179.56/6,268.15 = 1,680.74/x
  3. Step 3: Cross multiply
    4,179.56x = 6,268.15 × 1,680.74
  4. Step 4: Simplify right side
    4,179.56x = 10,535,148.46
  5. Step 5: Solve for x
    x = 10,535,148.46/4,179.56
  6. Step 6: Final answer
    x = 2,520.63

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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.