Home / 7,771.19-10,724.24-4,234.40

Finding the Fourth Proportional to 7,771.19, 10,724.24 and 4,234.40

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Solution

The fourth proportional to 7,771.19, 10,724.24 and 4,234.40 is: 5,843.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771.19 : 10,724.24 = 4,234.40 : x
  2. Step 2: Convert to fraction form
    7,771.19/10,724.24 = 4,234.40/x
  3. Step 3: Cross multiply
    7,771.19x = 10,724.24 × 4,234.40
  4. Step 4: Simplify right side
    7,771.19x = 45,410,695.05
  5. Step 5: Solve for x
    x = 45,410,695.05/7,771.19
  6. Step 6: Final answer
    x = 5,843.47

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.