Home / 7,928.12-11,899.56-4,035.44

Finding the Fourth Proportional to 7,928.12, 11,899.56 and 4,035.44

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Solution

The fourth proportional to 7,928.12, 11,899.56 and 4,035.44 is: 6,056.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.12 : 11,899.56 = 4,035.44 : x
  2. Step 2: Convert to fraction form
    7,928.12/11,899.56 = 4,035.44/x
  3. Step 3: Cross multiply
    7,928.12x = 11,899.56 × 4,035.44
  4. Step 4: Simplify right side
    7,928.12x = 48,019,960.41
  5. Step 5: Solve for x
    x = 48,019,960.41/7,928.12
  6. Step 6: Final answer
    x = 6,056.92

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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.