Home / 7,928.02-11,894.22-2,734.30

Finding the Fourth Proportional to 7,928.02, 11,894.22 and 2,734.30

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Solution

The fourth proportional to 7,928.02, 11,894.22 and 2,734.30 is: 4,102.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.02 : 11,894.22 = 2,734.30 : x
  2. Step 2: Convert to fraction form
    7,928.02/11,894.22 = 2,734.30/x
  3. Step 3: Cross multiply
    7,928.02x = 11,894.22 × 2,734.30
  4. Step 4: Simplify right side
    7,928.02x = 32,522,365.75
  5. Step 5: Solve for x
    x = 32,522,365.75/7,928.02
  6. Step 6: Final answer
    x = 4,102.21

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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.