Home / 7,208.30-10,808.09-3,506.81

Finding the Fourth Proportional to 7,208.30, 10,808.09 and 3,506.81

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Solution

The fourth proportional to 7,208.30, 10,808.09 and 3,506.81 is: 5,258.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.30 : 10,808.09 = 3,506.81 : x
  2. Step 2: Convert to fraction form
    7,208.30/10,808.09 = 3,506.81/x
  3. Step 3: Cross multiply
    7,208.30x = 10,808.09 × 3,506.81
  4. Step 4: Simplify right side
    7,208.30x = 37,901,918.09
  5. Step 5: Solve for x
    x = 37,901,918.09/7,208.30
  6. Step 6: Final answer
    x = 5,258.09

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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.