Home / 5,905.23-8,150.01-3,815.43

Finding the Fourth Proportional to 5,905.23, 8,150.01 and 3,815.43

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Solution

The fourth proportional to 5,905.23, 8,150.01 and 3,815.43 is: 5,265.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.23 : 8,150.01 = 3,815.43 : x
  2. Step 2: Convert to fraction form
    5,905.23/8,150.01 = 3,815.43/x
  3. Step 3: Cross multiply
    5,905.23x = 8,150.01 × 3,815.43
  4. Step 4: Simplify right side
    5,905.23x = 31,095,792.65
  5. Step 5: Solve for x
    x = 31,095,792.65/5,905.23
  6. Step 6: Final answer
    x = 5,265.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.