Home / 5,136.93-7,705.40-3,288.92

Finding the Fourth Proportional to 5,136.93, 7,705.40 and 3,288.92

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Solution

The fourth proportional to 5,136.93, 7,705.40 and 3,288.92 is: 4,933.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.93 : 7,705.40 = 3,288.92 : x
  2. Step 2: Convert to fraction form
    5,136.93/7,705.40 = 3,288.92/x
  3. Step 3: Cross multiply
    5,136.93x = 7,705.40 × 3,288.92
  4. Step 4: Simplify right side
    5,136.93x = 25,342,389.20
  5. Step 5: Solve for x
    x = 25,342,389.20/5,136.93
  6. Step 6: Final answer
    x = 4,933.37

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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.