Home / 4,273.73-6,412.58-1,640.36

Finding the Fourth Proportional to 4,273.73, 6,412.58 and 1,640.36

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Solution

The fourth proportional to 4,273.73, 6,412.58 and 1,640.36 is: 2,461.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,273.73 : 6,412.58 = 1,640.36 : x
  2. Step 2: Convert to fraction form
    4,273.73/6,412.58 = 1,640.36/x
  3. Step 3: Cross multiply
    4,273.73x = 6,412.58 × 1,640.36
  4. Step 4: Simplify right side
    4,273.73x = 10,518,939.73
  5. Step 5: Solve for x
    x = 10,518,939.73/4,273.73
  6. Step 6: Final answer
    x = 2,461.30

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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.