Home / 6,717.60-10,076.40-5,577.12

Finding the Fourth Proportional to 6,717.60, 10,076.40 and 5,577.12

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Solution

The fourth proportional to 6,717.60, 10,076.40 and 5,577.12 is: 8,365.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,717.60 : 10,076.40 = 5,577.12 : x
  2. Step 2: Convert to fraction form
    6,717.60/10,076.40 = 5,577.12/x
  3. Step 3: Cross multiply
    6,717.60x = 10,076.40 × 5,577.12
  4. Step 4: Simplify right side
    6,717.60x = 56,197,291.97
  5. Step 5: Solve for x
    x = 56,197,291.97/6,717.60
  6. Step 6: Final answer
    x = 8,365.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.