Home / 5,115.36-7,634.76-4,704.96

Finding the Fourth Proportional to 5,115.36, 7,634.76 and 4,704.96

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Solution

The fourth proportional to 5,115.36, 7,634.76 and 4,704.96 is: 7,022.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115.36 : 7,634.76 = 4,704.96 : x
  2. Step 2: Convert to fraction form
    5,115.36/7,634.76 = 4,704.96/x
  3. Step 3: Cross multiply
    5,115.36x = 7,634.76 × 4,704.96
  4. Step 4: Simplify right side
    5,115.36x = 35,921,240.41
  5. Step 5: Solve for x
    x = 35,921,240.41/5,115.36
  6. Step 6: Final answer
    x = 7,022.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.