Home / 7,477.11-11,214.75-1,930.03

Finding the Fourth Proportional to 7,477.11, 11,214.75 and 1,930.03

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Solution

The fourth proportional to 7,477.11, 11,214.75 and 1,930.03 is: 2,894.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.11 : 11,214.75 = 1,930.03 : x
  2. Step 2: Convert to fraction form
    7,477.11/11,214.75 = 1,930.03/x
  3. Step 3: Cross multiply
    7,477.11x = 11,214.75 × 1,930.03
  4. Step 4: Simplify right side
    7,477.11x = 21,644,783.14
  5. Step 5: Solve for x
    x = 21,644,783.14/7,477.11
  6. Step 6: Final answer
    x = 2,894.81

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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.