Home / 4,868.57-6,718.62-2,772.70

Finding the Fourth Proportional to 4,868.57, 6,718.62 and 2,772.70

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Solution

The fourth proportional to 4,868.57, 6,718.62 and 2,772.70 is: 3,826.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.57 : 6,718.62 = 2,772.70 : x
  2. Step 2: Convert to fraction form
    4,868.57/6,718.62 = 2,772.70/x
  3. Step 3: Cross multiply
    4,868.57x = 6,718.62 × 2,772.70
  4. Step 4: Simplify right side
    4,868.57x = 18,628,717.67
  5. Step 5: Solve for x
    x = 18,628,717.67/4,868.57
  6. Step 6: Final answer
    x = 3,826.32

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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.