Home / 4,125.39-6,189.84-2,646.30

Finding the Fourth Proportional to 4,125.39, 6,189.84 and 2,646.30

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Solution

The fourth proportional to 4,125.39, 6,189.84 and 2,646.30 is: 3,970.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,125.39 : 6,189.84 = 2,646.30 : x
  2. Step 2: Convert to fraction form
    4,125.39/6,189.84 = 2,646.30/x
  3. Step 3: Cross multiply
    4,125.39x = 6,189.84 × 2,646.30
  4. Step 4: Simplify right side
    4,125.39x = 16,380,173.59
  5. Step 5: Solve for x
    x = 16,380,173.59/4,125.39
  6. Step 6: Final answer
    x = 3,970.58

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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.