Home / 4,284.39-6,427.34-1,512.68

Finding the Fourth Proportional to 4,284.39, 6,427.34 and 1,512.68

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Solution

The fourth proportional to 4,284.39, 6,427.34 and 1,512.68 is: 2,269.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.39 : 6,427.34 = 1,512.68 : x
  2. Step 2: Convert to fraction form
    4,284.39/6,427.34 = 1,512.68/x
  3. Step 3: Cross multiply
    4,284.39x = 6,427.34 × 1,512.68
  4. Step 4: Simplify right side
    4,284.39x = 9,722,468.97
  5. Step 5: Solve for x
    x = 9,722,468.97/4,284.39
  6. Step 6: Final answer
    x = 2,269.28

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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.