Home / 5,265.84-7,911.72-3,963.36

Finding the Fourth Proportional to 5,265.84, 7,911.72 and 3,963.36

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Solution

The fourth proportional to 5,265.84, 7,911.72 and 3,963.36 is: 5,954.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265.84 : 7,911.72 = 3,963.36 : x
  2. Step 2: Convert to fraction form
    5,265.84/7,911.72 = 3,963.36/x
  3. Step 3: Cross multiply
    5,265.84x = 7,911.72 × 3,963.36
  4. Step 4: Simplify right side
    5,265.84x = 31,356,994.58
  5. Step 5: Solve for x
    x = 31,356,994.58/5,265.84
  6. Step 6: Final answer
    x = 5,954.79

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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.