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Finding the Fourth Proportional to 5,798.96, 8,694.18 and 3,721.30

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Solution

The fourth proportional to 5,798.96, 8,694.18 and 3,721.30 is: 5,579.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,798.96 : 8,694.18 = 3,721.30 : x
  2. Step 2: Convert to fraction form
    5,798.96/8,694.18 = 3,721.30/x
  3. Step 3: Cross multiply
    5,798.96x = 8,694.18 × 3,721.30
  4. Step 4: Simplify right side
    5,798.96x = 32,353,652.03
  5. Step 5: Solve for x
    x = 32,353,652.03/5,798.96
  6. Step 6: Final answer
    x = 5,579.22

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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.