Home / 4,868.42-6,718.77-2,772.68

Finding the Fourth Proportional to 4,868.42, 6,718.77 and 2,772.68

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Solution

The fourth proportional to 4,868.42, 6,718.77 and 2,772.68 is: 3,826.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.42 : 6,718.77 = 2,772.68 : x
  2. Step 2: Convert to fraction form
    4,868.42/6,718.77 = 2,772.68/x
  3. Step 3: Cross multiply
    4,868.42x = 6,718.77 × 2,772.68
  4. Step 4: Simplify right side
    4,868.42x = 18,628,999.20
  5. Step 5: Solve for x
    x = 18,628,999.20/4,868.42
  6. Step 6: Final answer
    x = 3,826.50

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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.