Home / 4,928.37-6,800.91-2,690.19

Finding the Fourth Proportional to 4,928.37, 6,800.91 and 2,690.19

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Solution

The fourth proportional to 4,928.37, 6,800.91 and 2,690.19 is: 3,712.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.37 : 6,800.91 = 2,690.19 : x
  2. Step 2: Convert to fraction form
    4,928.37/6,800.91 = 2,690.19/x
  3. Step 3: Cross multiply
    4,928.37x = 6,800.91 × 2,690.19
  4. Step 4: Simplify right side
    4,928.37x = 18,295,740.07
  5. Step 5: Solve for x
    x = 18,295,740.07/4,928.37
  6. Step 6: Final answer
    x = 3,712.33

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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.