Home / 4,093.40-6,147.30-3,171.20

Finding the Fourth Proportional to 4,093.40, 6,147.30 and 3,171.20

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Solution

The fourth proportional to 4,093.40, 6,147.30 and 3,171.20 is: 4,762.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,093.40 : 6,147.30 = 3,171.20 : x
  2. Step 2: Convert to fraction form
    4,093.40/6,147.30 = 3,171.20/x
  3. Step 3: Cross multiply
    4,093.40x = 6,147.30 × 3,171.20
  4. Step 4: Simplify right side
    4,093.40x = 19,494,317.76
  5. Step 5: Solve for x
    x = 19,494,317.76/4,093.40
  6. Step 6: Final answer
    x = 4,762.38

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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.