Home / 7,329.72-10,995.66-2,136

Finding the Fourth Proportional to 7,329.72, 10,995.66 and 2,136

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Solution

The fourth proportional to 7,329.72, 10,995.66 and 2,136 is: 3,204.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.72 : 10,995.66 = 2,136 : x
  2. Step 2: Convert to fraction form
    7,329.72/10,995.66 = 2,136/x
  3. Step 3: Cross multiply
    7,329.72x = 10,995.66 × 2,136
  4. Step 4: Simplify right side
    7,329.72x = 23,486,729.76
  5. Step 5: Solve for x
    x = 23,486,729.76/7,329.72
  6. Step 6: Final answer
    x = 3,204.31

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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.