Home / 7,650.59-11,479.42-3,491.87

Finding the Fourth Proportional to 7,650.59, 11,479.42 and 3,491.87

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Solution

The fourth proportional to 7,650.59, 11,479.42 and 3,491.87 is: 5,239.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650.59 : 11,479.42 = 3,491.87 : x
  2. Step 2: Convert to fraction form
    7,650.59/11,479.42 = 3,491.87/x
  3. Step 3: Cross multiply
    7,650.59x = 11,479.42 × 3,491.87
  4. Step 4: Simplify right side
    7,650.59x = 40,084,667.37
  5. Step 5: Solve for x
    x = 40,084,667.37/7,650.59
  6. Step 6: Final answer
    x = 5,239.42

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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.