Home / 4,982.72-6,876.32-2,886.72

Finding the Fourth Proportional to 4,982.72, 6,876.32 and 2,886.72

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Solution

The fourth proportional to 4,982.72, 6,876.32 and 2,886.72 is: 3,983.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.72 : 6,876.32 = 2,886.72 : x
  2. Step 2: Convert to fraction form
    4,982.72/6,876.32 = 2,886.72/x
  3. Step 3: Cross multiply
    4,982.72x = 6,876.32 × 2,886.72
  4. Step 4: Simplify right side
    4,982.72x = 19,850,010.47
  5. Step 5: Solve for x
    x = 19,850,010.47/4,982.72
  6. Step 6: Final answer
    x = 3,983.77

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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.