Home / 7,136.51-10,703.54-1,942.38

Finding the Fourth Proportional to 7,136.51, 10,703.54 and 1,942.38

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Solution

The fourth proportional to 7,136.51, 10,703.54 and 1,942.38 is: 2,913.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.51 : 10,703.54 = 1,942.38 : x
  2. Step 2: Convert to fraction form
    7,136.51/10,703.54 = 1,942.38/x
  3. Step 3: Cross multiply
    7,136.51x = 10,703.54 × 1,942.38
  4. Step 4: Simplify right side
    7,136.51x = 20,790,346.88
  5. Step 5: Solve for x
    x = 20,790,346.88/7,136.51
  6. Step 6: Final answer
    x = 2,913.24

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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.