Home / 4,104.53-6,157.77-1,331.20

Finding the Fourth Proportional to 4,104.53, 6,157.77 and 1,331.20

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Solution

The fourth proportional to 4,104.53, 6,157.77 and 1,331.20 is: 1,997.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,104.53 : 6,157.77 = 1,331.20 : x
  2. Step 2: Convert to fraction form
    4,104.53/6,157.77 = 1,331.20/x
  3. Step 3: Cross multiply
    4,104.53x = 6,157.77 × 1,331.20
  4. Step 4: Simplify right side
    4,104.53x = 8,197,226.13
  5. Step 5: Solve for x
    x = 8,197,226.13/4,104.53
  6. Step 6: Final answer
    x = 1,997.12

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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.