Home / 7,153.20-10,728.46-2,992.06

Finding the Fourth Proportional to 7,153.20, 10,728.46 and 2,992.06

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Solution

The fourth proportional to 7,153.20, 10,728.46 and 2,992.06 is: 4,487.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.20 : 10,728.46 = 2,992.06 : x
  2. Step 2: Convert to fraction form
    7,153.20/10,728.46 = 2,992.06/x
  3. Step 3: Cross multiply
    7,153.20x = 10,728.46 × 2,992.06
  4. Step 4: Simplify right side
    7,153.20x = 32,100,196.03
  5. Step 5: Solve for x
    x = 32,100,196.03/7,153.20
  6. Step 6: Final answer
    x = 4,487.53

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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.