Home / 4,868.48-6,718.46-2,979.84

Finding the Fourth Proportional to 4,868.48, 6,718.46 and 2,979.84

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Solution

The fourth proportional to 4,868.48, 6,718.46 and 2,979.84 is: 4,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.48 : 6,718.46 = 2,979.84 : x
  2. Step 2: Convert to fraction form
    4,868.48/6,718.46 = 2,979.84/x
  3. Step 3: Cross multiply
    4,868.48x = 6,718.46 × 2,979.84
  4. Step 4: Simplify right side
    4,868.48x = 20,019,935.85
  5. Step 5: Solve for x
    x = 20,019,935.85/4,868.48
  6. Step 6: Final answer
    x = 4,112.15

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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.