Home / 6,620.04-9,134.64-3,825

Finding the Fourth Proportional to 6,620.04, 9,134.64 and 3,825

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Solution

The fourth proportional to 6,620.04, 9,134.64 and 3,825 is: 5,277.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620.04 : 9,134.64 = 3,825 : x
  2. Step 2: Convert to fraction form
    6,620.04/9,134.64 = 3,825/x
  3. Step 3: Cross multiply
    6,620.04x = 9,134.64 × 3,825
  4. Step 4: Simplify right side
    6,620.04x = 34,939,998
  5. Step 5: Solve for x
    x = 34,939,998/6,620.04
  6. Step 6: Final answer
    x = 5,277.91

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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.