Home / 5,459.54-8,189.30-1,355.54

Finding the Fourth Proportional to 5,459.54, 8,189.30 and 1,355.54

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Solution

The fourth proportional to 5,459.54, 8,189.30 and 1,355.54 is: 2,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.54 : 8,189.30 = 1,355.54 : x
  2. Step 2: Convert to fraction form
    5,459.54/8,189.30 = 1,355.54/x
  3. Step 3: Cross multiply
    5,459.54x = 8,189.30 × 1,355.54
  4. Step 4: Simplify right side
    5,459.54x = 11,100,876.00
  5. Step 5: Solve for x
    x = 11,100,876.00/5,459.54
  6. Step 6: Final answer
    x = 2,033.30

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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.