Home / 5,099.07-7,645.60-2,728.47

Finding the Fourth Proportional to 5,099.07, 7,645.60 and 2,728.47

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Solution

The fourth proportional to 5,099.07, 7,645.60 and 2,728.47 is: 4,091.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.07 : 7,645.60 = 2,728.47 : x
  2. Step 2: Convert to fraction form
    5,099.07/7,645.60 = 2,728.47/x
  3. Step 3: Cross multiply
    5,099.07x = 7,645.60 × 2,728.47
  4. Step 4: Simplify right side
    5,099.07x = 20,860,790.23
  5. Step 5: Solve for x
    x = 20,860,790.23/5,099.07
  6. Step 6: Final answer
    x = 4,091.10

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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.