Home / 5,427.90-8,146.74-2,832.66

Finding the Fourth Proportional to 5,427.90, 8,146.74 and 2,832.66

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Solution

The fourth proportional to 5,427.90, 8,146.74 and 2,832.66 is: 4,251.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.90 : 8,146.74 = 2,832.66 : x
  2. Step 2: Convert to fraction form
    5,427.90/8,146.74 = 2,832.66/x
  3. Step 3: Cross multiply
    5,427.90x = 8,146.74 × 2,832.66
  4. Step 4: Simplify right side
    5,427.90x = 23,076,944.53
  5. Step 5: Solve for x
    x = 23,076,944.53/5,427.90
  6. Step 6: Final answer
    x = 4,251.54

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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.