Home / 6,485.45-9,719.06-3,707.96

Finding the Fourth Proportional to 6,485.45, 9,719.06 and 3,707.96

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Solution

The fourth proportional to 6,485.45, 9,719.06 and 3,707.96 is: 5,556.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,485.45 : 9,719.06 = 3,707.96 : x
  2. Step 2: Convert to fraction form
    6,485.45/9,719.06 = 3,707.96/x
  3. Step 3: Cross multiply
    6,485.45x = 9,719.06 × 3,707.96
  4. Step 4: Simplify right side
    6,485.45x = 36,037,868.93
  5. Step 5: Solve for x
    x = 36,037,868.93/6,485.45
  6. Step 6: Final answer
    x = 5,556.73

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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.