Home / 7,962.54-11,943.47-2,119.16

Finding the Fourth Proportional to 7,962.54, 11,943.47 and 2,119.16

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Solution

The fourth proportional to 7,962.54, 11,943.47 and 2,119.16 is: 3,178.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.54 : 11,943.47 = 2,119.16 : x
  2. Step 2: Convert to fraction form
    7,962.54/11,943.47 = 2,119.16/x
  3. Step 3: Cross multiply
    7,962.54x = 11,943.47 × 2,119.16
  4. Step 4: Simplify right side
    7,962.54x = 25,310,053.57
  5. Step 5: Solve for x
    x = 25,310,053.57/7,962.54
  6. Step 6: Final answer
    x = 3,178.64

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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.