Home / 4,928.32-6,800.76-2,745.40

Finding the Fourth Proportional to 4,928.32, 6,800.76 and 2,745.40

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Solution

The fourth proportional to 4,928.32, 6,800.76 and 2,745.40 is: 3,788.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.32 : 6,800.76 = 2,745.40 : x
  2. Step 2: Convert to fraction form
    4,928.32/6,800.76 = 2,745.40/x
  3. Step 3: Cross multiply
    4,928.32x = 6,800.76 × 2,745.40
  4. Step 4: Simplify right side
    4,928.32x = 18,670,806.50
  5. Step 5: Solve for x
    x = 18,670,806.50/4,928.32
  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.