Home / 5,447.31-8,172.38-1,552.02

Finding the Fourth Proportional to 5,447.31, 8,172.38 and 1,552.02

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Solution

The fourth proportional to 5,447.31, 8,172.38 and 1,552.02 is: 2,328.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.31 : 8,172.38 = 1,552.02 : x
  2. Step 2: Convert to fraction form
    5,447.31/8,172.38 = 1,552.02/x
  3. Step 3: Cross multiply
    5,447.31x = 8,172.38 × 1,552.02
  4. Step 4: Simplify right side
    5,447.31x = 12,683,648.59
  5. Step 5: Solve for x
    x = 12,683,648.59/5,447.31
  6. Step 6: Final answer
    x = 2,328.43

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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.