Home / 4,279.33-6,419.66-1,646.73

Finding the Fourth Proportional to 4,279.33, 6,419.66 and 1,646.73

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Solution

The fourth proportional to 4,279.33, 6,419.66 and 1,646.73 is: 2,470.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.33 : 6,419.66 = 1,646.73 : x
  2. Step 2: Convert to fraction form
    4,279.33/6,419.66 = 1,646.73/x
  3. Step 3: Cross multiply
    4,279.33x = 6,419.66 × 1,646.73
  4. Step 4: Simplify right side
    4,279.33x = 10,571,438.48
  5. Step 5: Solve for x
    x = 10,571,438.48/4,279.33
  6. Step 6: Final answer
    x = 2,470.35

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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.