Home / 4,979.34-6,871.41-2,883.42

Finding the Fourth Proportional to 4,979.34, 6,871.41 and 2,883.42

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Solution

The fourth proportional to 4,979.34, 6,871.41 and 2,883.42 is: 3,979.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.34 : 6,871.41 = 2,883.42 : x
  2. Step 2: Convert to fraction form
    4,979.34/6,871.41 = 2,883.42/x
  3. Step 3: Cross multiply
    4,979.34x = 6,871.41 × 2,883.42
  4. Step 4: Simplify right side
    4,979.34x = 19,813,161.02
  5. Step 5: Solve for x
    x = 19,813,161.02/4,979.34
  6. Step 6: Final answer
    x = 3,979.07

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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.