Home / 5,489.83-8,219.02-3,637.25

Finding the Fourth Proportional to 5,489.83, 8,219.02 and 3,637.25

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Solution

The fourth proportional to 5,489.83, 8,219.02 and 3,637.25 is: 5,445.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.83 : 8,219.02 = 3,637.25 : x
  2. Step 2: Convert to fraction form
    5,489.83/8,219.02 = 3,637.25/x
  3. Step 3: Cross multiply
    5,489.83x = 8,219.02 × 3,637.25
  4. Step 4: Simplify right side
    5,489.83x = 29,894,664.18
  5. Step 5: Solve for x
    x = 29,894,664.18/5,489.83
  6. Step 6: Final answer
    x = 5,445.47

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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.