Home / 4,419.75-6,629.63-1,132.87

Finding the Fourth Proportional to 4,419.75, 6,629.63 and 1,132.87

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Solution

The fourth proportional to 4,419.75, 6,629.63 and 1,132.87 is: 1,699.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,419.75 : 6,629.63 = 1,132.87 : x
  2. Step 2: Convert to fraction form
    4,419.75/6,629.63 = 1,132.87/x
  3. Step 3: Cross multiply
    4,419.75x = 6,629.63 × 1,132.87
  4. Step 4: Simplify right side
    4,419.75x = 7,510,508.94
  5. Step 5: Solve for x
    x = 7,510,508.94/4,419.75
  6. Step 6: Final answer
    x = 1,699.31

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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.