Home / 4,284.88-6,429.74-1,976.38

Finding the Fourth Proportional to 4,284.88, 6,429.74 and 1,976.38

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Solution

The fourth proportional to 4,284.88, 6,429.74 and 1,976.38 is: 2,965.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.88 : 6,429.74 = 1,976.38 : x
  2. Step 2: Convert to fraction form
    4,284.88/6,429.74 = 1,976.38/x
  3. Step 3: Cross multiply
    4,284.88x = 6,429.74 × 1,976.38
  4. Step 4: Simplify right side
    4,284.88x = 12,707,609.54
  5. Step 5: Solve for x
    x = 12,707,609.54/4,284.88
  6. Step 6: Final answer
    x = 2,965.69

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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.