Home / 4,639.21-6,950.71-3,864.20

Finding the Fourth Proportional to 4,639.21, 6,950.71 and 3,864.20

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Solution

The fourth proportional to 4,639.21, 6,950.71 and 3,864.20 is: 5,789.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.21 : 6,950.71 = 3,864.20 : x
  2. Step 2: Convert to fraction form
    4,639.21/6,950.71 = 3,864.20/x
  3. Step 3: Cross multiply
    4,639.21x = 6,950.71 × 3,864.20
  4. Step 4: Simplify right side
    4,639.21x = 26,858,933.58
  5. Step 5: Solve for x
    x = 26,858,933.58/4,639.21
  6. Step 6: Final answer
    x = 5,789.55

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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.