Home / 7,488-11,231.96-1,941.33

Finding the Fourth Proportional to 7,488, 11,231.96 and 1,941.33

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Solution

The fourth proportional to 7,488, 11,231.96 and 1,941.33 is: 2,911.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488 : 11,231.96 = 1,941.33 : x
  2. Step 2: Convert to fraction form
    7,488/11,231.96 = 1,941.33/x
  3. Step 3: Cross multiply
    7,488x = 11,231.96 × 1,941.33
  4. Step 4: Simplify right side
    7,488x = 21,804,931.20
  5. Step 5: Solve for x
    x = 21,804,931.20/7,488
  6. Step 6: Final answer
    x = 2,911.98

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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.