Home / 4,122.08-6,182.94-1,200.50

Finding the Fourth Proportional to 4,122.08, 6,182.94 and 1,200.50

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Solution

The fourth proportional to 4,122.08, 6,182.94 and 1,200.50 is: 1,800.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.08 : 6,182.94 = 1,200.50 : x
  2. Step 2: Convert to fraction form
    4,122.08/6,182.94 = 1,200.50/x
  3. Step 3: Cross multiply
    4,122.08x = 6,182.94 × 1,200.50
  4. Step 4: Simplify right side
    4,122.08x = 7,422,619.47
  5. Step 5: Solve for x
    x = 7,422,619.47/4,122.08
  6. Step 6: Final answer
    x = 1,800.70

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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.