Home / 5,173.74-7,760.61-2,209.68

Finding the Fourth Proportional to 5,173.74, 7,760.61 and 2,209.68

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Solution

The fourth proportional to 5,173.74, 7,760.61 and 2,209.68 is: 3,314.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.74 : 7,760.61 = 2,209.68 : x
  2. Step 2: Convert to fraction form
    5,173.74/7,760.61 = 2,209.68/x
  3. Step 3: Cross multiply
    5,173.74x = 7,760.61 × 2,209.68
  4. Step 4: Simplify right side
    5,173.74x = 17,148,464.70
  5. Step 5: Solve for x
    x = 17,148,464.70/5,173.74
  6. Step 6: Final answer
    x = 3,314.52

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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.