Home / 7,828.02-11,742.66-2,490.54

Finding the Fourth Proportional to 7,828.02, 11,742.66 and 2,490.54

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Solution

The fourth proportional to 7,828.02, 11,742.66 and 2,490.54 is: 3,736.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.02 : 11,742.66 = 2,490.54 : x
  2. Step 2: Convert to fraction form
    7,828.02/11,742.66 = 2,490.54/x
  3. Step 3: Cross multiply
    7,828.02x = 11,742.66 × 2,490.54
  4. Step 4: Simplify right side
    7,828.02x = 29,245,564.44
  5. Step 5: Solve for x
    x = 29,245,564.44/7,828.02
  6. Step 6: Final answer
    x = 3,736.01

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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.