Home / 5,136.78-7,092.81-3,824.58

Finding the Fourth Proportional to 5,136.78, 7,092.81 and 3,824.58

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Solution

The fourth proportional to 5,136.78, 7,092.81 and 3,824.58 is: 5,280.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.78 : 7,092.81 = 3,824.58 : x
  2. Step 2: Convert to fraction form
    5,136.78/7,092.81 = 3,824.58/x
  3. Step 3: Cross multiply
    5,136.78x = 7,092.81 × 3,824.58
  4. Step 4: Simplify right side
    5,136.78x = 27,127,019.27
  5. Step 5: Solve for x
    x = 27,127,019.27/5,136.78
  6. Step 6: Final answer
    x = 5,280.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.