Home / 5,171.53-7,760.75-1,839.64

Finding the Fourth Proportional to 5,171.53, 7,760.75 and 1,839.64

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Solution

The fourth proportional to 5,171.53, 7,760.75 and 1,839.64 is: 2,760.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.53 : 7,760.75 = 1,839.64 : x
  2. Step 2: Convert to fraction form
    5,171.53/7,760.75 = 1,839.64/x
  3. Step 3: Cross multiply
    5,171.53x = 7,760.75 × 1,839.64
  4. Step 4: Simplify right side
    5,171.53x = 14,276,986.13
  5. Step 5: Solve for x
    x = 14,276,986.13/5,171.53
  6. Step 6: Final answer
    x = 2,760.69

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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.