Home / 4,653.45-6,419.21-2,948.85

Finding the Fourth Proportional to 4,653.45, 6,419.21 and 2,948.85

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Solution

The fourth proportional to 4,653.45, 6,419.21 and 2,948.85 is: 4,067.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,653.45 : 6,419.21 = 2,948.85 : x
  2. Step 2: Convert to fraction form
    4,653.45/6,419.21 = 2,948.85/x
  3. Step 3: Cross multiply
    4,653.45x = 6,419.21 × 2,948.85
  4. Step 4: Simplify right side
    4,653.45x = 18,929,272.66
  5. Step 5: Solve for x
    x = 18,929,272.66/4,653.45
  6. Step 6: Final answer
    x = 4,067.79

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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.