Home / 4,869.06-6,718.50-2,772.78

Finding the Fourth Proportional to 4,869.06, 6,718.50 and 2,772.78

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Solution

The fourth proportional to 4,869.06, 6,718.50 and 2,772.78 is: 3,825.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.06 : 6,718.50 = 2,772.78 : x
  2. Step 2: Convert to fraction form
    4,869.06/6,718.50 = 2,772.78/x
  3. Step 3: Cross multiply
    4,869.06x = 6,718.50 × 2,772.78
  4. Step 4: Simplify right side
    4,869.06x = 18,628,922.43
  5. Step 5: Solve for x
    x = 18,628,922.43/4,869.06
  6. Step 6: Final answer
    x = 3,825.98

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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.