Home / 4,178.27-6,267.35-1,680.59

Finding the Fourth Proportional to 4,178.27, 6,267.35 and 1,680.59

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Solution

The fourth proportional to 4,178.27, 6,267.35 and 1,680.59 is: 2,520.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.27 : 6,267.35 = 1,680.59 : x
  2. Step 2: Convert to fraction form
    4,178.27/6,267.35 = 1,680.59/x
  3. Step 3: Cross multiply
    4,178.27x = 6,267.35 × 1,680.59
  4. Step 4: Simplify right side
    4,178.27x = 10,532,806.00
  5. Step 5: Solve for x
    x = 10,532,806.00/4,178.27
  6. Step 6: Final answer
    x = 2,520.86

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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.