Home / 7,090.20-10,635.66-2,707.02

Finding the Fourth Proportional to 7,090.20, 10,635.66 and 2,707.02

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Solution

The fourth proportional to 7,090.20, 10,635.66 and 2,707.02 is: 4,060.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.20 : 10,635.66 = 2,707.02 : x
  2. Step 2: Convert to fraction form
    7,090.20/10,635.66 = 2,707.02/x
  3. Step 3: Cross multiply
    7,090.20x = 10,635.66 × 2,707.02
  4. Step 4: Simplify right side
    7,090.20x = 28,790,944.33
  5. Step 5: Solve for x
    x = 28,790,944.33/7,090.20
  6. Step 6: Final answer
    x = 4,060.67

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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.