Home / 5,173.55-7,760.88-1,662.74

Finding the Fourth Proportional to 5,173.55, 7,760.88 and 1,662.74

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Solution

The fourth proportional to 5,173.55, 7,760.88 and 1,662.74 is: 2,494.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.55 : 7,760.88 = 1,662.74 : x
  2. Step 2: Convert to fraction form
    5,173.55/7,760.88 = 1,662.74/x
  3. Step 3: Cross multiply
    5,173.55x = 7,760.88 × 1,662.74
  4. Step 4: Simplify right side
    5,173.55x = 12,904,286.81
  5. Step 5: Solve for x
    x = 12,904,286.81/5,173.55
  6. Step 6: Final answer
    x = 2,494.28

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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.