Home / 4,270.93-6,405.37-2,189.86

Finding the Fourth Proportional to 4,270.93, 6,405.37 and 2,189.86

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Solution

The fourth proportional to 4,270.93, 6,405.37 and 2,189.86 is: 3,284.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.93 : 6,405.37 = 2,189.86 : x
  2. Step 2: Convert to fraction form
    4,270.93/6,405.37 = 2,189.86/x
  3. Step 3: Cross multiply
    4,270.93x = 6,405.37 × 2,189.86
  4. Step 4: Simplify right side
    4,270.93x = 14,026,863.55
  5. Step 5: Solve for x
    x = 14,026,863.55/4,270.93
  6. Step 6: Final answer
    x = 3,284.26

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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.