Home / 4,807.50-6,634.86-2,819.73

Finding the Fourth Proportional to 4,807.50, 6,634.86 and 2,819.73

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Solution

The fourth proportional to 4,807.50, 6,634.86 and 2,819.73 is: 3,891.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,807.50 : 6,634.86 = 2,819.73 : x
  2. Step 2: Convert to fraction form
    4,807.50/6,634.86 = 2,819.73/x
  3. Step 3: Cross multiply
    4,807.50x = 6,634.86 × 2,819.73
  4. Step 4: Simplify right side
    4,807.50x = 18,708,513.79
  5. Step 5: Solve for x
    x = 18,708,513.79/4,807.50
  6. Step 6: Final answer
    x = 3,891.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.