Home / 4,912.77-7,368.99-1,214.97

Finding the Fourth Proportional to 4,912.77, 7,368.99 and 1,214.97

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Solution

The fourth proportional to 4,912.77, 7,368.99 and 1,214.97 is: 1,822.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.77 : 7,368.99 = 1,214.97 : x
  2. Step 2: Convert to fraction form
    4,912.77/7,368.99 = 1,214.97/x
  3. Step 3: Cross multiply
    4,912.77x = 7,368.99 × 1,214.97
  4. Step 4: Simplify right side
    4,912.77x = 8,953,101.78
  5. Step 5: Solve for x
    x = 8,953,101.78/4,912.77
  6. Step 6: Final answer
    x = 1,822.41

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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.