Home / 7,423.80-11,136.95-2,743.83

Finding the Fourth Proportional to 7,423.80, 11,136.95 and 2,743.83

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Solution

The fourth proportional to 7,423.80, 11,136.95 and 2,743.83 is: 4,116.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.80 : 11,136.95 = 2,743.83 : x
  2. Step 2: Convert to fraction form
    7,423.80/11,136.95 = 2,743.83/x
  3. Step 3: Cross multiply
    7,423.80x = 11,136.95 × 2,743.83
  4. Step 4: Simplify right side
    7,423.80x = 30,557,897.52
  5. Step 5: Solve for x
    x = 30,557,897.52/7,423.80
  6. Step 6: Final answer
    x = 4,116.21

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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.