Home / 4,979.03-6,870.30-2,882.75

Finding the Fourth Proportional to 4,979.03, 6,870.30 and 2,882.75

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Solution

The fourth proportional to 4,979.03, 6,870.30 and 2,882.75 is: 3,977.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.03 : 6,870.30 = 2,882.75 : x
  2. Step 2: Convert to fraction form
    4,979.03/6,870.30 = 2,882.75/x
  3. Step 3: Cross multiply
    4,979.03x = 6,870.30 × 2,882.75
  4. Step 4: Simplify right side
    4,979.03x = 19,805,357.33
  5. Step 5: Solve for x
    x = 19,805,357.33/4,979.03
  6. Step 6: Final answer
    x = 3,977.75

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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.