Home / 5,405.33-8,109.99-1,895.60

Finding the Fourth Proportional to 5,405.33, 8,109.99 and 1,895.60

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Solution

The fourth proportional to 5,405.33, 8,109.99 and 1,895.60 is: 2,844.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.33 : 8,109.99 = 1,895.60 : x
  2. Step 2: Convert to fraction form
    5,405.33/8,109.99 = 1,895.60/x
  3. Step 3: Cross multiply
    5,405.33x = 8,109.99 × 1,895.60
  4. Step 4: Simplify right side
    5,405.33x = 15,373,317.32
  5. Step 5: Solve for x
    x = 15,373,317.32/5,405.33
  6. Step 6: Final answer
    x = 2,844.10

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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.