Home / 4,211.67-6,318.86-2,020.56

Finding the Fourth Proportional to 4,211.67, 6,318.86 and 2,020.56

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Solution

The fourth proportional to 4,211.67, 6,318.86 and 2,020.56 is: 3,031.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.67 : 6,318.86 = 2,020.56 : x
  2. Step 2: Convert to fraction form
    4,211.67/6,318.86 = 2,020.56/x
  3. Step 3: Cross multiply
    4,211.67x = 6,318.86 × 2,020.56
  4. Step 4: Simplify right side
    4,211.67x = 12,767,635.76
  5. Step 5: Solve for x
    x = 12,767,635.76/4,211.67
  6. Step 6: Final answer
    x = 3,031.49

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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.