Home / 7,481.30-11,208.45-3,577.10

Finding the Fourth Proportional to 7,481.30, 11,208.45 and 3,577.10

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Solution

The fourth proportional to 7,481.30, 11,208.45 and 3,577.10 is: 5,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.30 : 11,208.45 = 3,577.10 : x
  2. Step 2: Convert to fraction form
    7,481.30/11,208.45 = 3,577.10/x
  3. Step 3: Cross multiply
    7,481.30x = 11,208.45 × 3,577.10
  4. Step 4: Simplify right side
    7,481.30x = 40,093,746.50
  5. Step 5: Solve for x
    x = 40,093,746.50/7,481.30
  6. Step 6: Final answer
    x = 5,359.20

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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.