Home / 4,979.08-6,871.80-2,883.34

Finding the Fourth Proportional to 4,979.08, 6,871.80 and 2,883.34

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Solution

The fourth proportional to 4,979.08, 6,871.80 and 2,883.34 is: 3,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.08 : 6,871.80 = 2,883.34 : x
  2. Step 2: Convert to fraction form
    4,979.08/6,871.80 = 2,883.34/x
  3. Step 3: Cross multiply
    4,979.08x = 6,871.80 × 2,883.34
  4. Step 4: Simplify right side
    4,979.08x = 19,813,735.81
  5. Step 5: Solve for x
    x = 19,813,735.81/4,979.08
  6. Step 6: Final answer
    x = 3,979.40

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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.