Home / 7,748.10-11,621.79-2,554.02

Finding the Fourth Proportional to 7,748.10, 11,621.79 and 2,554.02

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Solution

The fourth proportional to 7,748.10, 11,621.79 and 2,554.02 is: 3,830.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.10 : 11,621.79 = 2,554.02 : x
  2. Step 2: Convert to fraction form
    7,748.10/11,621.79 = 2,554.02/x
  3. Step 3: Cross multiply
    7,748.10x = 11,621.79 × 2,554.02
  4. Step 4: Simplify right side
    7,748.10x = 29,682,284.10
  5. Step 5: Solve for x
    x = 29,682,284.10/7,748.10
  6. Step 6: Final answer
    x = 3,830.91

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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.