Home / 5,480.59-8,224.02-2,317.78

Finding the Fourth Proportional to 5,480.59, 8,224.02 and 2,317.78

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Solution

The fourth proportional to 5,480.59, 8,224.02 and 2,317.78 is: 3,478.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.59 : 8,224.02 = 2,317.78 : x
  2. Step 2: Convert to fraction form
    5,480.59/8,224.02 = 2,317.78/x
  3. Step 3: Cross multiply
    5,480.59x = 8,224.02 × 2,317.78
  4. Step 4: Simplify right side
    5,480.59x = 19,061,469.08
  5. Step 5: Solve for x
    x = 19,061,469.08/5,480.59
  6. Step 6: Final answer
    x = 3,478.00

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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.