Home / 7,766.46-11,649.83-2,572.47

Finding the Fourth Proportional to 7,766.46, 11,649.83 and 2,572.47

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Solution

The fourth proportional to 7,766.46, 11,649.83 and 2,572.47 is: 3,858.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.46 : 11,649.83 = 2,572.47 : x
  2. Step 2: Convert to fraction form
    7,766.46/11,649.83 = 2,572.47/x
  3. Step 3: Cross multiply
    7,766.46x = 11,649.83 × 2,572.47
  4. Step 4: Simplify right side
    7,766.46x = 29,968,825.32
  5. Step 5: Solve for x
    x = 29,968,825.32/7,766.46
  6. Step 6: Final answer
    x = 3,858.75

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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.