Home / 7,576.47-11,369.57-3,678.75

Finding the Fourth Proportional to 7,576.47, 11,369.57 and 3,678.75

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Solution

The fourth proportional to 7,576.47, 11,369.57 and 3,678.75 is: 5,520.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,576.47 : 11,369.57 = 3,678.75 : x
  2. Step 2: Convert to fraction form
    7,576.47/11,369.57 = 3,678.75/x
  3. Step 3: Cross multiply
    7,576.47x = 11,369.57 × 3,678.75
  4. Step 4: Simplify right side
    7,576.47x = 41,825,857.47
  5. Step 5: Solve for x
    x = 41,825,857.47/7,576.47
  6. Step 6: Final answer
    x = 5,520.49

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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.