Home / 7,136.45-10,703.73-3,239.96

Finding the Fourth Proportional to 7,136.45, 10,703.73 and 3,239.96

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Solution

The fourth proportional to 7,136.45, 10,703.73 and 3,239.96 is: 4,859.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.45 : 10,703.73 = 3,239.96 : x
  2. Step 2: Convert to fraction form
    7,136.45/10,703.73 = 3,239.96/x
  3. Step 3: Cross multiply
    7,136.45x = 10,703.73 × 3,239.96
  4. Step 4: Simplify right side
    7,136.45x = 34,679,657.05
  5. Step 5: Solve for x
    x = 34,679,657.05/7,136.45
  6. Step 6: Final answer
    x = 4,859.51

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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.