Home / 4,138.50-6,206.13-1,672.86

Finding the Fourth Proportional to 4,138.50, 6,206.13 and 1,672.86

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Solution

The fourth proportional to 4,138.50, 6,206.13 and 1,672.86 is: 2,508.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.50 : 6,206.13 = 1,672.86 : x
  2. Step 2: Convert to fraction form
    4,138.50/6,206.13 = 1,672.86/x
  3. Step 3: Cross multiply
    4,138.50x = 6,206.13 × 1,672.86
  4. Step 4: Simplify right side
    4,138.50x = 10,381,986.63
  5. Step 5: Solve for x
    x = 10,381,986.63/4,138.50
  6. Step 6: Final answer
    x = 2,508.64

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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.