Home / 4,211.42-6,318.48-2,020.31

Finding the Fourth Proportional to 4,211.42, 6,318.48 and 2,020.31

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Solution

The fourth proportional to 4,211.42, 6,318.48 and 2,020.31 is: 3,031.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.42 : 6,318.48 = 2,020.31 : x
  2. Step 2: Convert to fraction form
    4,211.42/6,318.48 = 2,020.31/x
  3. Step 3: Cross multiply
    4,211.42x = 6,318.48 × 2,020.31
  4. Step 4: Simplify right side
    4,211.42x = 12,765,256.74
  5. Step 5: Solve for x
    x = 12,765,256.74/4,211.42
  6. Step 6: Final answer
    x = 3,031.11

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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.