Home / 4,876.29-6,728.09-2,886.75

Finding the Fourth Proportional to 4,876.29, 6,728.09 and 2,886.75

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Solution

The fourth proportional to 4,876.29, 6,728.09 and 2,886.75 is: 3,983.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876.29 : 6,728.09 = 2,886.75 : x
  2. Step 2: Convert to fraction form
    4,876.29/6,728.09 = 2,886.75/x
  3. Step 3: Cross multiply
    4,876.29x = 6,728.09 × 2,886.75
  4. Step 4: Simplify right side
    4,876.29x = 19,422,299.37
  5. Step 5: Solve for x
    x = 19,422,299.37/4,876.29
  6. Step 6: Final answer
    x = 3,983.01

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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.