Home / 6,620.07-9,135.63-3,635.94

Finding the Fourth Proportional to 6,620.07, 9,135.63 and 3,635.94

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Solution

The fourth proportional to 6,620.07, 9,135.63 and 3,635.94 is: 5,017.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620.07 : 9,135.63 = 3,635.94 : x
  2. Step 2: Convert to fraction form
    6,620.07/9,135.63 = 3,635.94/x
  3. Step 3: Cross multiply
    6,620.07x = 9,135.63 × 3,635.94
  4. Step 4: Simplify right side
    6,620.07x = 33,216,602.54
  5. Step 5: Solve for x
    x = 33,216,602.54/6,620.07
  6. Step 6: Final answer
    x = 5,017.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.