Home / 4,928.10-6,800.97-2,938.83

Finding the Fourth Proportional to 4,928.10, 6,800.97 and 2,938.83

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Solution

The fourth proportional to 4,928.10, 6,800.97 and 2,938.83 is: 4,055.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.10 : 6,800.97 = 2,938.83 : x
  2. Step 2: Convert to fraction form
    4,928.10/6,800.97 = 2,938.83/x
  3. Step 3: Cross multiply
    4,928.10x = 6,800.97 × 2,938.83
  4. Step 4: Simplify right side
    4,928.10x = 19,986,894.67
  5. Step 5: Solve for x
    x = 19,986,894.67/4,928.10
  6. Step 6: Final answer
    x = 4,055.70

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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.