Home / 7,901.34-11,843.76-3,219.33

Finding the Fourth Proportional to 7,901.34, 11,843.76 and 3,219.33

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Solution

The fourth proportional to 7,901.34, 11,843.76 and 3,219.33 is: 4,825.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901.34 : 11,843.76 = 3,219.33 : x
  2. Step 2: Convert to fraction form
    7,901.34/11,843.76 = 3,219.33/x
  3. Step 3: Cross multiply
    7,901.34x = 11,843.76 × 3,219.33
  4. Step 4: Simplify right side
    7,901.34x = 38,128,971.88
  5. Step 5: Solve for x
    x = 38,128,971.88/7,901.34
  6. Step 6: Final answer
    x = 4,825.63

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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.