Home / 5,478.02-8,217.30-2,669.44

Finding the Fourth Proportional to 5,478.02, 8,217.30 and 2,669.44

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Solution

The fourth proportional to 5,478.02, 8,217.30 and 2,669.44 is: 4,004.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478.02 : 8,217.30 = 2,669.44 : x
  2. Step 2: Convert to fraction form
    5,478.02/8,217.30 = 2,669.44/x
  3. Step 3: Cross multiply
    5,478.02x = 8,217.30 × 2,669.44
  4. Step 4: Simplify right side
    5,478.02x = 21,935,589.31
  5. Step 5: Solve for x
    x = 21,935,589.31/5,478.02
  6. Step 6: Final answer
    x = 4,004.29

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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.