Home / 7,952.68-11,928.96-2,406.16

Finding the Fourth Proportional to 7,952.68, 11,928.96 and 2,406.16

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Solution

The fourth proportional to 7,952.68, 11,928.96 and 2,406.16 is: 3,609.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,952.68 : 11,928.96 = 2,406.16 : x
  2. Step 2: Convert to fraction form
    7,952.68/11,928.96 = 2,406.16/x
  3. Step 3: Cross multiply
    7,952.68x = 11,928.96 × 2,406.16
  4. Step 4: Simplify right side
    7,952.68x = 28,702,986.39
  5. Step 5: Solve for x
    x = 28,702,986.39/7,952.68
  6. Step 6: Final answer
    x = 3,609.22

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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.