Home / 7,106.66-10,664.60-3,211.10

Finding the Fourth Proportional to 7,106.66, 10,664.60 and 3,211.10

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Solution

The fourth proportional to 7,106.66, 10,664.60 and 3,211.10 is: 4,818.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.66 : 10,664.60 = 3,211.10 : x
  2. Step 2: Convert to fraction form
    7,106.66/10,664.60 = 3,211.10/x
  3. Step 3: Cross multiply
    7,106.66x = 10,664.60 × 3,211.10
  4. Step 4: Simplify right side
    7,106.66x = 34,245,027.68
  5. Step 5: Solve for x
    x = 34,245,027.68/7,106.66
  6. Step 6: Final answer
    x = 4,818.73

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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.