Home / 7,236.20-10,855.98-2,853.32

Finding the Fourth Proportional to 7,236.20, 10,855.98 and 2,853.32

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Solution

The fourth proportional to 7,236.20, 10,855.98 and 2,853.32 is: 4,280.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236.20 : 10,855.98 = 2,853.32 : x
  2. Step 2: Convert to fraction form
    7,236.20/10,855.98 = 2,853.32/x
  3. Step 3: Cross multiply
    7,236.20x = 10,855.98 × 2,853.32
  4. Step 4: Simplify right side
    7,236.20x = 30,975,584.85
  5. Step 5: Solve for x
    x = 30,975,584.85/7,236.20
  6. Step 6: Final answer
    x = 4,280.64

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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.