Home / 7,285.35-10,919.07-3,331.11

Finding the Fourth Proportional to 7,285.35, 10,919.07 and 3,331.11

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Solution

The fourth proportional to 7,285.35, 10,919.07 and 3,331.11 is: 4,992.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,285.35 : 10,919.07 = 3,331.11 : x
  2. Step 2: Convert to fraction form
    7,285.35/10,919.07 = 3,331.11/x
  3. Step 3: Cross multiply
    7,285.35x = 10,919.07 × 3,331.11
  4. Step 4: Simplify right side
    7,285.35x = 36,372,623.27
  5. Step 5: Solve for x
    x = 36,372,623.27/7,285.35
  6. Step 6: Final answer
    x = 4,992.57

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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.