Home / 4,869.76-6,719.84-2,745.44

Finding the Fourth Proportional to 4,869.76, 6,719.84 and 2,745.44

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Solution

The fourth proportional to 4,869.76, 6,719.84 and 2,745.44 is: 3,788.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.76 : 6,719.84 = 2,745.44 : x
  2. Step 2: Convert to fraction form
    4,869.76/6,719.84 = 2,745.44/x
  3. Step 3: Cross multiply
    4,869.76x = 6,719.84 × 2,745.44
  4. Step 4: Simplify right side
    4,869.76x = 18,448,917.53
  5. Step 5: Solve for x
    x = 18,448,917.53/4,869.76
  6. Step 6: Final answer
    x = 3,788.47

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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.