Home / 5,171.43-7,757.99-2,051.45

Finding the Fourth Proportional to 5,171.43, 7,757.99 and 2,051.45

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Solution

The fourth proportional to 5,171.43, 7,757.99 and 2,051.45 is: 3,077.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.43 : 7,757.99 = 2,051.45 : x
  2. Step 2: Convert to fraction form
    5,171.43/7,757.99 = 2,051.45/x
  3. Step 3: Cross multiply
    5,171.43x = 7,757.99 × 2,051.45
  4. Step 4: Simplify right side
    5,171.43x = 15,915,089.80
  5. Step 5: Solve for x
    x = 15,915,089.80/5,171.43
  6. Step 6: Final answer
    x = 3,077.51

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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.