Home / 5,460.36-8,190.47-3,850.88

Finding the Fourth Proportional to 5,460.36, 8,190.47 and 3,850.88

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Solution

The fourth proportional to 5,460.36, 8,190.47 and 3,850.88 is: 5,776.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.36 : 8,190.47 = 3,850.88 : x
  2. Step 2: Convert to fraction form
    5,460.36/8,190.47 = 3,850.88/x
  3. Step 3: Cross multiply
    5,460.36x = 8,190.47 × 3,850.88
  4. Step 4: Simplify right side
    5,460.36x = 31,540,506.26
  5. Step 5: Solve for x
    x = 31,540,506.26/5,460.36
  6. Step 6: Final answer
    x = 5,776.27

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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.