Home / 4,480.89-6,721.19-2,142.53

Finding the Fourth Proportional to 4,480.89, 6,721.19 and 2,142.53

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Solution

The fourth proportional to 4,480.89, 6,721.19 and 2,142.53 is: 3,213.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.89 : 6,721.19 = 2,142.53 : x
  2. Step 2: Convert to fraction form
    4,480.89/6,721.19 = 2,142.53/x
  3. Step 3: Cross multiply
    4,480.89x = 6,721.19 × 2,142.53
  4. Step 4: Simplify right side
    4,480.89x = 14,400,389.99
  5. Step 5: Solve for x
    x = 14,400,389.99/4,480.89
  6. Step 6: Final answer
    x = 3,213.74

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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.