Home / 4,928.13-6,800.89-2,939.84

Finding the Fourth Proportional to 4,928.13, 6,800.89 and 2,939.84

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Solution

The fourth proportional to 4,928.13, 6,800.89 and 2,939.84 is: 4,057.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.13 : 6,800.89 = 2,939.84 : x
  2. Step 2: Convert to fraction form
    4,928.13/6,800.89 = 2,939.84/x
  3. Step 3: Cross multiply
    4,928.13x = 6,800.89 × 2,939.84
  4. Step 4: Simplify right side
    4,928.13x = 19,993,528.46
  5. Step 5: Solve for x
    x = 19,993,528.46/4,928.13
  6. Step 6: Final answer
    x = 4,057.02

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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.