Home / 4,270.38-6,405.59-2,077.23

Finding the Fourth Proportional to 4,270.38, 6,405.59 and 2,077.23

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Solution

The fourth proportional to 4,270.38, 6,405.59 and 2,077.23 is: 3,115.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.38 : 6,405.59 = 2,077.23 : x
  2. Step 2: Convert to fraction form
    4,270.38/6,405.59 = 2,077.23/x
  3. Step 3: Cross multiply
    4,270.38x = 6,405.59 × 2,077.23
  4. Step 4: Simplify right side
    4,270.38x = 13,305,873.33
  5. Step 5: Solve for x
    x = 13,305,873.33/4,270.38
  6. Step 6: Final answer
    x = 3,115.85

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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.