Home / 7,427.62-11,130.49-4,136.19

Finding the Fourth Proportional to 7,427.62, 11,130.49 and 4,136.19

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Solution

The fourth proportional to 7,427.62, 11,130.49 and 4,136.19 is: 6,198.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.62 : 11,130.49 = 4,136.19 : x
  2. Step 2: Convert to fraction form
    7,427.62/11,130.49 = 4,136.19/x
  3. Step 3: Cross multiply
    7,427.62x = 11,130.49 × 4,136.19
  4. Step 4: Simplify right side
    7,427.62x = 46,037,821.43
  5. Step 5: Solve for x
    x = 46,037,821.43/7,427.62
  6. Step 6: Final answer
    x = 6,198.19

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Double scale
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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.