Home / 4,811.78-7,216.86-1,349.04

Finding the Fourth Proportional to 4,811.78, 7,216.86 and 1,349.04

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Solution

The fourth proportional to 4,811.78, 7,216.86 and 1,349.04 is: 2,023.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.78 : 7,216.86 = 1,349.04 : x
  2. Step 2: Convert to fraction form
    4,811.78/7,216.86 = 1,349.04/x
  3. Step 3: Cross multiply
    4,811.78x = 7,216.86 × 1,349.04
  4. Step 4: Simplify right side
    4,811.78x = 9,735,832.81
  5. Step 5: Solve for x
    x = 9,735,832.81/4,811.78
  6. Step 6: Final answer
    x = 2,023.33

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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.