Home / 4,745.18-7,119.42-2,114.55

Finding the Fourth Proportional to 4,745.18, 7,119.42 and 2,114.55

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Solution

The fourth proportional to 4,745.18, 7,119.42 and 2,114.55 is: 3,172.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745.18 : 7,119.42 = 2,114.55 : x
  2. Step 2: Convert to fraction form
    4,745.18/7,119.42 = 2,114.55/x
  3. Step 3: Cross multiply
    4,745.18x = 7,119.42 × 2,114.55
  4. Step 4: Simplify right side
    4,745.18x = 15,054,358.99
  5. Step 5: Solve for x
    x = 15,054,358.99/4,745.18
  6. Step 6: Final answer
    x = 3,172.56

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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.