Home / 4,933.60-7,409.81-2,857.77

Finding the Fourth Proportional to 4,933.60, 7,409.81 and 2,857.77

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Solution

The fourth proportional to 4,933.60, 7,409.81 and 2,857.77 is: 4,292.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,933.60 : 7,409.81 = 2,857.77 : x
  2. Step 2: Convert to fraction form
    4,933.60/7,409.81 = 2,857.77/x
  3. Step 3: Cross multiply
    4,933.60x = 7,409.81 × 2,857.77
  4. Step 4: Simplify right side
    4,933.60x = 21,175,539.87
  5. Step 5: Solve for x
    x = 21,175,539.87/4,933.60
  6. Step 6: Final answer
    x = 4,292.11

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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.