Home / 4,480.43-6,718.46-1,359.90

Finding the Fourth Proportional to 4,480.43, 6,718.46 and 1,359.90

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Solution

The fourth proportional to 4,480.43, 6,718.46 and 1,359.90 is: 2,039.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.43 : 6,718.46 = 1,359.90 : x
  2. Step 2: Convert to fraction form
    4,480.43/6,718.46 = 1,359.90/x
  3. Step 3: Cross multiply
    4,480.43x = 6,718.46 × 1,359.90
  4. Step 4: Simplify right side
    4,480.43x = 9,136,426.95
  5. Step 5: Solve for x
    x = 9,136,426.95/4,480.43
  6. Step 6: Final answer
    x = 2,039.19

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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.