Home / 7,426.23-11,139.68-4,136.84

Finding the Fourth Proportional to 7,426.23, 11,139.68 and 4,136.84

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Solution

The fourth proportional to 7,426.23, 11,139.68 and 4,136.84 is: 6,205.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,426.23 : 11,139.68 = 4,136.84 : x
  2. Step 2: Convert to fraction form
    7,426.23/11,139.68 = 4,136.84/x
  3. Step 3: Cross multiply
    7,426.23x = 11,139.68 × 4,136.84
  4. Step 4: Simplify right side
    7,426.23x = 46,082,997.43
  5. Step 5: Solve for x
    x = 46,082,997.43/7,426.23
  6. Step 6: Final answer
    x = 6,205.44

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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.