Home / 5,173.44-7,760.07-1,277.85

Finding the Fourth Proportional to 5,173.44, 7,760.07 and 1,277.85

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Solution

The fourth proportional to 5,173.44, 7,760.07 and 1,277.85 is: 1,916.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.44 : 7,760.07 = 1,277.85 : x
  2. Step 2: Convert to fraction form
    5,173.44/7,760.07 = 1,277.85/x
  3. Step 3: Cross multiply
    5,173.44x = 7,760.07 × 1,277.85
  4. Step 4: Simplify right side
    5,173.44x = 9,916,205.45
  5. Step 5: Solve for x
    x = 9,916,205.45/5,173.44
  6. Step 6: Final answer
    x = 1,916.75

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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.