Home / 4,211.24-5,811.11-4,069.69

Finding the Fourth Proportional to 4,211.24, 5,811.11 and 4,069.69

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Solution

The fourth proportional to 4,211.24, 5,811.11 and 4,069.69 is: 5,615.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.24 : 5,811.11 = 4,069.69 : x
  2. Step 2: Convert to fraction form
    4,211.24/5,811.11 = 4,069.69/x
  3. Step 3: Cross multiply
    4,211.24x = 5,811.11 × 4,069.69
  4. Step 4: Simplify right side
    4,211.24x = 23,649,411.90
  5. Step 5: Solve for x
    x = 23,649,411.90/4,211.24
  6. Step 6: Final answer
    x = 5,615.79

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Half scale
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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.