Home / 4,629.45-6,389.79-2,860.01

Finding the Fourth Proportional to 4,629.45, 6,389.79 and 2,860.01

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Solution

The fourth proportional to 4,629.45, 6,389.79 and 2,860.01 is: 3,947.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,629.45 : 6,389.79 = 2,860.01 : x
  2. Step 2: Convert to fraction form
    4,629.45/6,389.79 = 2,860.01/x
  3. Step 3: Cross multiply
    4,629.45x = 6,389.79 × 2,860.01
  4. Step 4: Simplify right side
    4,629.45x = 18,274,844.59
  5. Step 5: Solve for x
    x = 18,274,844.59/4,629.45
  6. Step 6: Final answer
    x = 3,947.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.