Home / 5,410.21-8,114.91-1,900.25

Finding the Fourth Proportional to 5,410.21, 8,114.91 and 1,900.25

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Solution

The fourth proportional to 5,410.21, 8,114.91 and 1,900.25 is: 2,850.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.21 : 8,114.91 = 1,900.25 : x
  2. Step 2: Convert to fraction form
    5,410.21/8,114.91 = 1,900.25/x
  3. Step 3: Cross multiply
    5,410.21x = 8,114.91 × 1,900.25
  4. Step 4: Simplify right side
    5,410.21x = 15,420,350.13
  5. Step 5: Solve for x
    x = 15,420,350.13/5,410.21
  6. Step 6: Final answer
    x = 2,850.23

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Double scale
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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.