Home / 4,151.83-6,228.80-1,379.28

Finding the Fourth Proportional to 4,151.83, 6,228.80 and 1,379.28

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Solution

The fourth proportional to 4,151.83, 6,228.80 and 1,379.28 is: 2,069.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.83 : 6,228.80 = 1,379.28 : x
  2. Step 2: Convert to fraction form
    4,151.83/6,228.80 = 1,379.28/x
  3. Step 3: Cross multiply
    4,151.83x = 6,228.80 × 1,379.28
  4. Step 4: Simplify right side
    4,151.83x = 8,591,259.26
  5. Step 5: Solve for x
    x = 8,591,259.26/4,151.83
  6. Step 6: Final answer
    x = 2,069.27

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1.5x scale

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.