Home / 5,481.90-8,218.80-2,359.35

Finding the Fourth Proportional to 5,481.90, 8,218.80 and 2,359.35

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Solution

The fourth proportional to 5,481.90, 8,218.80 and 2,359.35 is: 3,537.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.90 : 8,218.80 = 2,359.35 : x
  2. Step 2: Convert to fraction form
    5,481.90/8,218.80 = 2,359.35/x
  3. Step 3: Cross multiply
    5,481.90x = 8,218.80 × 2,359.35
  4. Step 4: Simplify right side
    5,481.90x = 19,391,025.78
  5. Step 5: Solve for x
    x = 19,391,025.78/5,481.90
  6. Step 6: Final answer
    x = 3,537.28

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1.5x scale

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.