Home / 4,629.08-6,939.01-2,986.78

Finding the Fourth Proportional to 4,629.08, 6,939.01 and 2,986.78

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Solution

The fourth proportional to 4,629.08, 6,939.01 and 2,986.78 is: 4,477.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,629.08 : 6,939.01 = 2,986.78 : x
  2. Step 2: Convert to fraction form
    4,629.08/6,939.01 = 2,986.78/x
  3. Step 3: Cross multiply
    4,629.08x = 6,939.01 × 2,986.78
  4. Step 4: Simplify right side
    4,629.08x = 20,725,281.35
  5. Step 5: Solve for x
    x = 20,725,281.35/4,629.08
  6. Step 6: Final answer
    x = 4,477.19

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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.