Home / 4,876.61-6,728.27-2,886.44

Finding the Fourth Proportional to 4,876.61, 6,728.27 and 2,886.44

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Solution

The fourth proportional to 4,876.61, 6,728.27 and 2,886.44 is: 3,982.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876.61 : 6,728.27 = 2,886.44 : x
  2. Step 2: Convert to fraction form
    4,876.61/6,728.27 = 2,886.44/x
  3. Step 3: Cross multiply
    4,876.61x = 6,728.27 × 2,886.44
  4. Step 4: Simplify right side
    4,876.61x = 19,420,699.59
  5. Step 5: Solve for x
    x = 19,420,699.59/4,876.61
  6. Step 6: Final answer
    x = 3,982.42

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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.