Home / 5,389.49-8,083.36-2,758.94

Finding the Fourth Proportional to 5,389.49, 8,083.36 and 2,758.94

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Solution

The fourth proportional to 5,389.49, 8,083.36 and 2,758.94 is: 4,137.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.49 : 8,083.36 = 2,758.94 : x
  2. Step 2: Convert to fraction form
    5,389.49/8,083.36 = 2,758.94/x
  3. Step 3: Cross multiply
    5,389.49x = 8,083.36 × 2,758.94
  4. Step 4: Simplify right side
    5,389.49x = 22,301,544.05
  5. Step 5: Solve for x
    x = 22,301,544.05/5,389.49
  6. Step 6: Final answer
    x = 4,137.97

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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.