Home / 5,719.32-7,893.84-3,623.04

Finding the Fourth Proportional to 5,719.32, 7,893.84 and 3,623.04

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Solution

The fourth proportional to 5,719.32, 7,893.84 and 3,623.04 is: 5,000.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.32 : 7,893.84 = 3,623.04 : x
  2. Step 2: Convert to fraction form
    5,719.32/7,893.84 = 3,623.04/x
  3. Step 3: Cross multiply
    5,719.32x = 7,893.84 × 3,623.04
  4. Step 4: Simplify right side
    5,719.32x = 28,599,698.07
  5. Step 5: Solve for x
    x = 28,599,698.07/5,719.32
  6. Step 6: Final answer
    x = 5,000.54

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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.