Home / 4,815.90-7,224.66-1,528.74

Finding the Fourth Proportional to 4,815.90, 7,224.66 and 1,528.74

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Solution

The fourth proportional to 4,815.90, 7,224.66 and 1,528.74 is: 2,293.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.90 : 7,224.66 = 1,528.74 : x
  2. Step 2: Convert to fraction form
    4,815.90/7,224.66 = 1,528.74/x
  3. Step 3: Cross multiply
    4,815.90x = 7,224.66 × 1,528.74
  4. Step 4: Simplify right side
    4,815.90x = 11,044,626.73
  5. Step 5: Solve for x
    x = 11,044,626.73/4,815.90
  6. Step 6: Final answer
    x = 2,293.37

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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.