Home / 4,815.70-7,223.58-1,528.81

Finding the Fourth Proportional to 4,815.70, 7,223.58 and 1,528.81

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Solution

The fourth proportional to 4,815.70, 7,223.58 and 1,528.81 is: 2,293.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.70 : 7,223.58 = 1,528.81 : x
  2. Step 2: Convert to fraction form
    4,815.70/7,223.58 = 1,528.81/x
  3. Step 3: Cross multiply
    4,815.70x = 7,223.58 × 1,528.81
  4. Step 4: Simplify right side
    4,815.70x = 11,043,463.28
  5. Step 5: Solve for x
    x = 11,043,463.28/4,815.70
  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.