Home / 4,760.54-7,136.96-1,989.33

Finding the Fourth Proportional to 4,760.54, 7,136.96 and 1,989.33

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Solution

The fourth proportional to 4,760.54, 7,136.96 and 1,989.33 is: 2,982.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,760.54 : 7,136.96 = 1,989.33 : x
  2. Step 2: Convert to fraction form
    4,760.54/7,136.96 = 1,989.33/x
  3. Step 3: Cross multiply
    4,760.54x = 7,136.96 × 1,989.33
  4. Step 4: Simplify right side
    4,760.54x = 14,197,758.69
  5. Step 5: Solve for x
    x = 14,197,758.69/4,760.54
  6. Step 6: Final answer
    x = 2,982.39

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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.