Home / 6,723.21-9,277.81-3,739.03

Finding the Fourth Proportional to 6,723.21, 9,277.81 and 3,739.03

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Solution

The fourth proportional to 6,723.21, 9,277.81 and 3,739.03 is: 5,159.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,723.21 : 9,277.81 = 3,739.03 : x
  2. Step 2: Convert to fraction form
    6,723.21/9,277.81 = 3,739.03/x
  3. Step 3: Cross multiply
    6,723.21x = 9,277.81 × 3,739.03
  4. Step 4: Simplify right side
    6,723.21x = 34,690,009.92
  5. Step 5: Solve for x
    x = 34,690,009.92/6,723.21
  6. Step 6: Final answer
    x = 5,159.74

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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.