Home / 5,447.54-8,172.78-1,552.28

Finding the Fourth Proportional to 5,447.54, 8,172.78 and 1,552.28

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Solution

The fourth proportional to 5,447.54, 8,172.78 and 1,552.28 is: 2,328.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.54 : 8,172.78 = 1,552.28 : x
  2. Step 2: Convert to fraction form
    5,447.54/8,172.78 = 1,552.28/x
  3. Step 3: Cross multiply
    5,447.54x = 8,172.78 × 1,552.28
  4. Step 4: Simplify right side
    5,447.54x = 12,686,442.94
  5. Step 5: Solve for x
    x = 12,686,442.94/5,447.54
  6. Step 6: Final answer
    x = 2,328.84

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1.5x scale

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.