Home / 5,473.74-8,218.80-3,136.38

Finding the Fourth Proportional to 5,473.74, 8,218.80 and 3,136.38

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Solution

The fourth proportional to 5,473.74, 8,218.80 and 3,136.38 is: 4,709.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,473.74 : 8,218.80 = 3,136.38 : x
  2. Step 2: Convert to fraction form
    5,473.74/8,218.80 = 3,136.38/x
  3. Step 3: Cross multiply
    5,473.74x = 8,218.80 × 3,136.38
  4. Step 4: Simplify right side
    5,473.74x = 25,777,279.94
  5. Step 5: Solve for x
    x = 25,777,279.94/5,473.74
  6. Step 6: Final answer
    x = 4,709.26

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1.5x scale

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.