Home / 5,015.20-7,522.72-2,092.64

Finding the Fourth Proportional to 5,015.20, 7,522.72 and 2,092.64

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Solution

The fourth proportional to 5,015.20, 7,522.72 and 2,092.64 is: 3,138.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.20 : 7,522.72 = 2,092.64 : x
  2. Step 2: Convert to fraction form
    5,015.20/7,522.72 = 2,092.64/x
  3. Step 3: Cross multiply
    5,015.20x = 7,522.72 × 2,092.64
  4. Step 4: Simplify right side
    5,015.20x = 15,742,344.78
  5. Step 5: Solve for x
    x = 15,742,344.78/5,015.20
  6. Step 6: Final answer
    x = 3,138.93

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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.