Home / 4,758.81-7,137.57-2,161.14

Finding the Fourth Proportional to 4,758.81, 7,137.57 and 2,161.14

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Solution

The fourth proportional to 4,758.81, 7,137.57 and 2,161.14 is: 3,241.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,758.81 : 7,137.57 = 2,161.14 : x
  2. Step 2: Convert to fraction form
    4,758.81/7,137.57 = 2,161.14/x
  3. Step 3: Cross multiply
    4,758.81x = 7,137.57 × 2,161.14
  4. Step 4: Simplify right side
    4,758.81x = 15,425,288.03
  5. Step 5: Solve for x
    x = 15,425,288.03/4,758.81
  6. Step 6: Final answer
    x = 3,241.42

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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.