Home / 5,277.96-7,286.76-3,707.64

Finding the Fourth Proportional to 5,277.96, 7,286.76 and 3,707.64

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Solution

The fourth proportional to 5,277.96, 7,286.76 and 3,707.64 is: 5,118.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.96 : 7,286.76 = 3,707.64 : x
  2. Step 2: Convert to fraction form
    5,277.96/7,286.76 = 3,707.64/x
  3. Step 3: Cross multiply
    5,277.96x = 7,286.76 × 3,707.64
  4. Step 4: Simplify right side
    5,277.96x = 27,016,682.85
  5. Step 5: Solve for x
    x = 27,016,682.85/5,277.96
  6. Step 6: Final answer
    x = 5,118.77

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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.