Home / 4,982.75-6,876.20-2,888.09

Finding the Fourth Proportional to 4,982.75, 6,876.20 and 2,888.09

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Solution

The fourth proportional to 4,982.75, 6,876.20 and 2,888.09 is: 3,985.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.75 : 6,876.20 = 2,888.09 : x
  2. Step 2: Convert to fraction form
    4,982.75/6,876.20 = 2,888.09/x
  3. Step 3: Cross multiply
    4,982.75x = 6,876.20 × 2,888.09
  4. Step 4: Simplify right side
    4,982.75x = 19,859,070.02
  5. Step 5: Solve for x
    x = 19,859,070.02/4,982.75
  6. Step 6: Final answer
    x = 3,985.56

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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.