Home / 7,962.90-11,944.37-2,119.51

Finding the Fourth Proportional to 7,962.90, 11,944.37 and 2,119.51

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Solution

The fourth proportional to 7,962.90, 11,944.37 and 2,119.51 is: 3,179.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.90 : 11,944.37 = 2,119.51 : x
  2. Step 2: Convert to fraction form
    7,962.90/11,944.37 = 2,119.51/x
  3. Step 3: Cross multiply
    7,962.90x = 11,944.37 × 2,119.51
  4. Step 4: Simplify right side
    7,962.90x = 25,316,211.66
  5. Step 5: Solve for x
    x = 25,316,211.66/7,962.90
  6. Step 6: Final answer
    x = 3,179.27

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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.