Home / 5,103.08-7,647.49-2,758.03

Finding the Fourth Proportional to 5,103.08, 7,647.49 and 2,758.03

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Solution

The fourth proportional to 5,103.08, 7,647.49 and 2,758.03 is: 4,133.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.08 : 7,647.49 = 2,758.03 : x
  2. Step 2: Convert to fraction form
    5,103.08/7,647.49 = 2,758.03/x
  3. Step 3: Cross multiply
    5,103.08x = 7,647.49 × 2,758.03
  4. Step 4: Simplify right side
    5,103.08x = 21,091,954.82
  5. Step 5: Solve for x
    x = 21,091,954.82/5,103.08
  6. Step 6: Final answer
    x = 4,133.19

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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.