Home / 5,515.42-8,271-1,816.96

Finding the Fourth Proportional to 5,515.42, 8,271 and 1,816.96

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Solution

The fourth proportional to 5,515.42, 8,271 and 1,816.96 is: 2,724.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.42 : 8,271 = 1,816.96 : x
  2. Step 2: Convert to fraction form
    5,515.42/8,271 = 1,816.96/x
  3. Step 3: Cross multiply
    5,515.42x = 8,271 × 1,816.96
  4. Step 4: Simplify right side
    5,515.42x = 15,028,076.16
  5. Step 5: Solve for x
    x = 15,028,076.16/5,515.42
  6. Step 6: Final answer
    x = 2,724.74

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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.