Home / 5,171.43-7,756.42-2,249.36

Finding the Fourth Proportional to 5,171.43, 7,756.42 and 2,249.36

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Solution

The fourth proportional to 5,171.43, 7,756.42 and 2,249.36 is: 3,373.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.43 : 7,756.42 = 2,249.36 : x
  2. Step 2: Convert to fraction form
    5,171.43/7,756.42 = 2,249.36/x
  3. Step 3: Cross multiply
    5,171.43x = 7,756.42 × 2,249.36
  4. Step 4: Simplify right side
    5,171.43x = 17,446,980.89
  5. Step 5: Solve for x
    x = 17,446,980.89/5,171.43
  6. Step 6: Final answer
    x = 3,373.72

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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.