Home / 4,215.49-6,327.12-2,136.97

Finding the Fourth Proportional to 4,215.49, 6,327.12 and 2,136.97

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Solution

The fourth proportional to 4,215.49, 6,327.12 and 2,136.97 is: 3,207.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.49 : 6,327.12 = 2,136.97 : x
  2. Step 2: Convert to fraction form
    4,215.49/6,327.12 = 2,136.97/x
  3. Step 3: Cross multiply
    4,215.49x = 6,327.12 × 2,136.97
  4. Step 4: Simplify right side
    4,215.49x = 13,520,869.53
  5. Step 5: Solve for x
    x = 13,520,869.53/4,215.49
  6. Step 6: Final answer
    x = 3,207.42

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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.