Home / 4,215.67-6,324.10-2,240.78

Finding the Fourth Proportional to 4,215.67, 6,324.10 and 2,240.78

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Solution

The fourth proportional to 4,215.67, 6,324.10 and 2,240.78 is: 3,361.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.67 : 6,324.10 = 2,240.78 : x
  2. Step 2: Convert to fraction form
    4,215.67/6,324.10 = 2,240.78/x
  3. Step 3: Cross multiply
    4,215.67x = 6,324.10 × 2,240.78
  4. Step 4: Simplify right side
    4,215.67x = 14,170,916.80
  5. Step 5: Solve for x
    x = 14,170,916.80/4,215.67
  6. Step 6: Final answer
    x = 3,361.49

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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.