Home / 6,873.21-10,308.52-1,942.81

Finding the Fourth Proportional to 6,873.21, 10,308.52 and 1,942.81

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Solution

The fourth proportional to 6,873.21, 10,308.52 and 1,942.81 is: 2,913.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,873.21 : 10,308.52 = 1,942.81 : x
  2. Step 2: Convert to fraction form
    6,873.21/10,308.52 = 1,942.81/x
  3. Step 3: Cross multiply
    6,873.21x = 10,308.52 × 1,942.81
  4. Step 4: Simplify right side
    6,873.21x = 20,027,495.74
  5. Step 5: Solve for x
    x = 20,027,495.74/6,873.21
  6. Step 6: Final answer
    x = 2,913.85

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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.