Home / 5,474.08-8,211.24-1,775.20

Finding the Fourth Proportional to 5,474.08, 8,211.24 and 1,775.20

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Solution

The fourth proportional to 5,474.08, 8,211.24 and 1,775.20 is: 2,662.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.08 : 8,211.24 = 1,775.20 : x
  2. Step 2: Convert to fraction form
    5,474.08/8,211.24 = 1,775.20/x
  3. Step 3: Cross multiply
    5,474.08x = 8,211.24 × 1,775.20
  4. Step 4: Simplify right side
    5,474.08x = 14,576,593.25
  5. Step 5: Solve for x
    x = 14,576,593.25/5,474.08
  6. Step 6: Final answer
    x = 2,662.84

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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.