Home / 4,020.67-6,031.68-1,387.46

Finding the Fourth Proportional to 4,020.67, 6,031.68 and 1,387.46

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Solution

The fourth proportional to 4,020.67, 6,031.68 and 1,387.46 is: 2,081.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.67 : 6,031.68 = 1,387.46 : x
  2. Step 2: Convert to fraction form
    4,020.67/6,031.68 = 1,387.46/x
  3. Step 3: Cross multiply
    4,020.67x = 6,031.68 × 1,387.46
  4. Step 4: Simplify right side
    4,020.67x = 8,368,714.73
  5. Step 5: Solve for x
    x = 8,368,714.73/4,020.67
  6. Step 6: Final answer
    x = 2,081.42

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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.