Home / 4,749.93-7,121.79-1,828.53

Finding the Fourth Proportional to 4,749.93, 7,121.79 and 1,828.53

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Solution

The fourth proportional to 4,749.93, 7,121.79 and 1,828.53 is: 2,741.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749.93 : 7,121.79 = 1,828.53 : x
  2. Step 2: Convert to fraction form
    4,749.93/7,121.79 = 1,828.53/x
  3. Step 3: Cross multiply
    4,749.93x = 7,121.79 × 1,828.53
  4. Step 4: Simplify right side
    4,749.93x = 13,022,406.67
  5. Step 5: Solve for x
    x = 13,022,406.67/4,749.93
  6. Step 6: Final answer
    x = 2,741.60

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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.