Home / 4,815.75-7,223.83-1,528.77

Finding the Fourth Proportional to 4,815.75, 7,223.83 and 1,528.77

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Solution

The fourth proportional to 4,815.75, 7,223.83 and 1,528.77 is: 2,293.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.75 : 7,223.83 = 1,528.77 : x
  2. Step 2: Convert to fraction form
    4,815.75/7,223.83 = 1,528.77/x
  3. Step 3: Cross multiply
    4,815.75x = 7,223.83 × 1,528.77
  4. Step 4: Simplify right side
    4,815.75x = 11,043,574.59
  5. Step 5: Solve for x
    x = 11,043,574.59/4,815.75
  6. Step 6: Final answer
    x = 2,293.22

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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.