Home / 7,928.04-11,892.78-3,246.96

Finding the Fourth Proportional to 7,928.04, 11,892.78 and 3,246.96

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Solution

The fourth proportional to 7,928.04, 11,892.78 and 3,246.96 is: 4,870.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.04 : 11,892.78 = 3,246.96 : x
  2. Step 2: Convert to fraction form
    7,928.04/11,892.78 = 3,246.96/x
  3. Step 3: Cross multiply
    7,928.04x = 11,892.78 × 3,246.96
  4. Step 4: Simplify right side
    7,928.04x = 38,615,380.95
  5. Step 5: Solve for x
    x = 38,615,380.95/7,928.04
  6. Step 6: Final answer
    x = 4,870.73

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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.