Home / 4,143.68-6,215.48-1,951.21

Finding the Fourth Proportional to 4,143.68, 6,215.48 and 1,951.21

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Solution

The fourth proportional to 4,143.68, 6,215.48 and 1,951.21 is: 2,926.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.68 : 6,215.48 = 1,951.21 : x
  2. Step 2: Convert to fraction form
    4,143.68/6,215.48 = 1,951.21/x
  3. Step 3: Cross multiply
    4,143.68x = 6,215.48 × 1,951.21
  4. Step 4: Simplify right side
    4,143.68x = 12,127,706.73
  5. Step 5: Solve for x
    x = 12,127,706.73/4,143.68
  6. Step 6: Final answer
    x = 2,926.80

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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.