Home / 5,410.53-8,104.05-2,631.35

Finding the Fourth Proportional to 5,410.53, 8,104.05 and 2,631.35

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Solution

The fourth proportional to 5,410.53, 8,104.05 and 2,631.35 is: 3,941.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.53 : 8,104.05 = 2,631.35 : x
  2. Step 2: Convert to fraction form
    5,410.53/8,104.05 = 2,631.35/x
  3. Step 3: Cross multiply
    5,410.53x = 8,104.05 × 2,631.35
  4. Step 4: Simplify right side
    5,410.53x = 21,324,612.23
  5. Step 5: Solve for x
    x = 21,324,612.23/5,410.53
  6. Step 6: Final answer
    x = 3,941.32

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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.