Home / 4,284.60-6,427.71-1,976.10

Finding the Fourth Proportional to 4,284.60, 6,427.71 and 1,976.10

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Solution

The fourth proportional to 4,284.60, 6,427.71 and 1,976.10 is: 2,964.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.60 : 6,427.71 = 1,976.10 : x
  2. Step 2: Convert to fraction form
    4,284.60/6,427.71 = 1,976.10/x
  3. Step 3: Cross multiply
    4,284.60x = 6,427.71 × 1,976.10
  4. Step 4: Simplify right side
    4,284.60x = 12,701,797.73
  5. Step 5: Solve for x
    x = 12,701,797.73/4,284.60
  6. Step 6: Final answer
    x = 2,964.52

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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.