Home / 5,441.21-8,160.59-2,665.08

Finding the Fourth Proportional to 5,441.21, 8,160.59 and 2,665.08

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Solution

The fourth proportional to 5,441.21, 8,160.59 and 2,665.08 is: 3,997.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.21 : 8,160.59 = 2,665.08 : x
  2. Step 2: Convert to fraction form
    5,441.21/8,160.59 = 2,665.08/x
  3. Step 3: Cross multiply
    5,441.21x = 8,160.59 × 2,665.08
  4. Step 4: Simplify right side
    5,441.21x = 21,748,611.87
  5. Step 5: Solve for x
    x = 21,748,611.87/5,441.21
  6. Step 6: Final answer
    x = 3,997.02

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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.