Home / 7,919.02-11,878.62-2,076.22

Finding the Fourth Proportional to 7,919.02, 11,878.62 and 2,076.22

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Solution

The fourth proportional to 7,919.02, 11,878.62 and 2,076.22 is: 3,114.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.02 : 11,878.62 = 2,076.22 : x
  2. Step 2: Convert to fraction form
    7,919.02/11,878.62 = 2,076.22/x
  3. Step 3: Cross multiply
    7,919.02x = 11,878.62 × 2,076.22
  4. Step 4: Simplify right side
    7,919.02x = 24,662,628.42
  5. Step 5: Solve for x
    x = 24,662,628.42/7,919.02
  6. Step 6: Final answer
    x = 3,114.35

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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.