Home / 5,447.57-8,172.72-1,551.96

Finding the Fourth Proportional to 5,447.57, 8,172.72 and 1,551.96

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Solution

The fourth proportional to 5,447.57, 8,172.72 and 1,551.96 is: 2,328.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.57 : 8,172.72 = 1,551.96 : x
  2. Step 2: Convert to fraction form
    5,447.57/8,172.72 = 1,551.96/x
  3. Step 3: Cross multiply
    5,447.57x = 8,172.72 × 1,551.96
  4. Step 4: Simplify right side
    5,447.57x = 12,683,734.53
  5. Step 5: Solve for x
    x = 12,683,734.53/5,447.57
  6. Step 6: Final answer
    x = 2,328.33

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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.