Home / 7,216.42-10,804.70-3,698.86

Finding the Fourth Proportional to 7,216.42, 10,804.70 and 3,698.86

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Solution

The fourth proportional to 7,216.42, 10,804.70 and 3,698.86 is: 5,538.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.42 : 10,804.70 = 3,698.86 : x
  2. Step 2: Convert to fraction form
    7,216.42/10,804.70 = 3,698.86/x
  3. Step 3: Cross multiply
    7,216.42x = 10,804.70 × 3,698.86
  4. Step 4: Simplify right side
    7,216.42x = 39,965,072.64
  5. Step 5: Solve for x
    x = 39,965,072.64/7,216.42
  6. Step 6: Final answer
    x = 5,538.07

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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.