Home / 8,112.33-11,178.40-5,984.49

Finding the Fourth Proportional to 8,112.33, 11,178.40 and 5,984.49

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Solution

The fourth proportional to 8,112.33, 11,178.40 and 5,984.49 is: 8,246.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.33 : 11,178.40 = 5,984.49 : x
  2. Step 2: Convert to fraction form
    8,112.33/11,178.40 = 5,984.49/x
  3. Step 3: Cross multiply
    8,112.33x = 11,178.40 × 5,984.49
  4. Step 4: Simplify right side
    8,112.33x = 66,897,023.02
  5. Step 5: Solve for x
    x = 66,897,023.02/8,112.33
  6. Step 6: Final answer
    x = 8,246.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.