Home / 7,350.06-11,021.84-3,189.90

Finding the Fourth Proportional to 7,350.06, 11,021.84 and 3,189.90

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Solution

The fourth proportional to 7,350.06, 11,021.84 and 3,189.90 is: 4,783.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.06 : 11,021.84 = 3,189.90 : x
  2. Step 2: Convert to fraction form
    7,350.06/11,021.84 = 3,189.90/x
  3. Step 3: Cross multiply
    7,350.06x = 11,021.84 × 3,189.90
  4. Step 4: Simplify right side
    7,350.06x = 35,158,567.42
  5. Step 5: Solve for x
    x = 35,158,567.42/7,350.06
  6. Step 6: Final answer
    x = 4,783.44

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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.