Home / 4,686.03-7,028.73-1,399.23

Finding the Fourth Proportional to 4,686.03, 7,028.73 and 1,399.23

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Solution

The fourth proportional to 4,686.03, 7,028.73 and 1,399.23 is: 2,098.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686.03 : 7,028.73 = 1,399.23 : x
  2. Step 2: Convert to fraction form
    4,686.03/7,028.73 = 1,399.23/x
  3. Step 3: Cross multiply
    4,686.03x = 7,028.73 × 1,399.23
  4. Step 4: Simplify right side
    4,686.03x = 9,834,809.88
  5. Step 5: Solve for x
    x = 9,834,809.88/4,686.03
  6. Step 6: Final answer
    x = 2,098.75

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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.