Home / 7,106.08-10,662.48-3,211.68

Finding the Fourth Proportional to 7,106.08, 10,662.48 and 3,211.68

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Solution

The fourth proportional to 7,106.08, 10,662.48 and 3,211.68 is: 4,819.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.08 : 10,662.48 = 3,211.68 : x
  2. Step 2: Convert to fraction form
    7,106.08/10,662.48 = 3,211.68/x
  3. Step 3: Cross multiply
    7,106.08x = 10,662.48 × 3,211.68
  4. Step 4: Simplify right side
    7,106.08x = 34,244,473.77
  5. Step 5: Solve for x
    x = 34,244,473.77/7,106.08
  6. Step 6: Final answer
    x = 4,819.04

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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.