Home / 7,927.07-11,890.73-2,999.03

Finding the Fourth Proportional to 7,927.07, 11,890.73 and 2,999.03

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Solution

The fourth proportional to 7,927.07, 11,890.73 and 2,999.03 is: 4,498.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.07 : 11,890.73 = 2,999.03 : x
  2. Step 2: Convert to fraction form
    7,927.07/11,890.73 = 2,999.03/x
  3. Step 3: Cross multiply
    7,927.07x = 11,890.73 × 2,999.03
  4. Step 4: Simplify right side
    7,927.07x = 35,660,604.04
  5. Step 5: Solve for x
    x = 35,660,604.04/7,927.07
  6. Step 6: Final answer
    x = 4,498.59

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1.5x scale

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.