Home / 4,901.06-6,761.94-2,804.78

Finding the Fourth Proportional to 4,901.06, 6,761.94 and 2,804.78

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Solution

The fourth proportional to 4,901.06, 6,761.94 and 2,804.78 is: 3,869.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.06 : 6,761.94 = 2,804.78 : x
  2. Step 2: Convert to fraction form
    4,901.06/6,761.94 = 2,804.78/x
  3. Step 3: Cross multiply
    4,901.06x = 6,761.94 × 2,804.78
  4. Step 4: Simplify right side
    4,901.06x = 18,965,754.07
  5. Step 5: Solve for x
    x = 18,965,754.07/4,901.06
  6. Step 6: Final answer
    x = 3,869.72

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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.