Home / 5,441.20-8,157.01-2,156.60

Finding the Fourth Proportional to 5,441.20, 8,157.01 and 2,156.60

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Solution

The fourth proportional to 5,441.20, 8,157.01 and 2,156.60 is: 3,233.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.20 : 8,157.01 = 2,156.60 : x
  2. Step 2: Convert to fraction form
    5,441.20/8,157.01 = 2,156.60/x
  3. Step 3: Cross multiply
    5,441.20x = 8,157.01 × 2,156.60
  4. Step 4: Simplify right side
    5,441.20x = 17,591,392.76
  5. Step 5: Solve for x
    x = 17,591,392.76/5,441.20
  6. Step 6: Final answer
    x = 3,233.00

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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.