Home / 4,687.16-7,028.39-1,399.37

Finding the Fourth Proportional to 4,687.16, 7,028.39 and 1,399.37

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Solution

The fourth proportional to 4,687.16, 7,028.39 and 1,399.37 is: 2,098.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.16 : 7,028.39 = 1,399.37 : x
  2. Step 2: Convert to fraction form
    4,687.16/7,028.39 = 1,399.37/x
  3. Step 3: Cross multiply
    4,687.16x = 7,028.39 × 1,399.37
  4. Step 4: Simplify right side
    4,687.16x = 9,835,275.98
  5. Step 5: Solve for x
    x = 9,835,275.98/4,687.16
  6. Step 6: Final answer
    x = 2,098.35

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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.