Home / 4,099.84-6,147.40-2,015.32

Finding the Fourth Proportional to 4,099.84, 6,147.40 and 2,015.32

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Solution

The fourth proportional to 4,099.84, 6,147.40 and 2,015.32 is: 3,021.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,099.84 : 6,147.40 = 2,015.32 : x
  2. Step 2: Convert to fraction form
    4,099.84/6,147.40 = 2,015.32/x
  3. Step 3: Cross multiply
    4,099.84x = 6,147.40 × 2,015.32
  4. Step 4: Simplify right side
    4,099.84x = 12,388,978.17
  5. Step 5: Solve for x
    x = 12,388,978.17/4,099.84
  6. Step 6: Final answer
    x = 3,021.82

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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.