Home / 7,758.38-11,629.37-5,576.85

Finding the Fourth Proportional to 7,758.38, 11,629.37 and 5,576.85

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Solution

The fourth proportional to 7,758.38, 11,629.37 and 5,576.85 is: 8,359.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,758.38 : 11,629.37 = 5,576.85 : x
  2. Step 2: Convert to fraction form
    7,758.38/11,629.37 = 5,576.85/x
  3. Step 3: Cross multiply
    7,758.38x = 11,629.37 × 5,576.85
  4. Step 4: Simplify right side
    7,758.38x = 64,855,266.03
  5. Step 5: Solve for x
    x = 64,855,266.03/7,758.38
  6. Step 6: Final answer
    x = 8,359.38

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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.