Home / 7,405.16-11,112.10-2,728.44

Finding the Fourth Proportional to 7,405.16, 11,112.10 and 2,728.44

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Solution

The fourth proportional to 7,405.16, 11,112.10 and 2,728.44 is: 4,094.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.16 : 11,112.10 = 2,728.44 : x
  2. Step 2: Convert to fraction form
    7,405.16/11,112.10 = 2,728.44/x
  3. Step 3: Cross multiply
    7,405.16x = 11,112.10 × 2,728.44
  4. Step 4: Simplify right side
    7,405.16x = 30,318,691.30
  5. Step 5: Solve for x
    x = 30,318,691.30/7,405.16
  6. Step 6: Final answer
    x = 4,094.27

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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.