Home / 4,770.50-6,583.28-2,780.66

Finding the Fourth Proportional to 4,770.50, 6,583.28 and 2,780.66

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Solution

The fourth proportional to 4,770.50, 6,583.28 and 2,780.66 is: 3,837.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.50 : 6,583.28 = 2,780.66 : x
  2. Step 2: Convert to fraction form
    4,770.50/6,583.28 = 2,780.66/x
  3. Step 3: Cross multiply
    4,770.50x = 6,583.28 × 2,780.66
  4. Step 4: Simplify right side
    4,770.50x = 18,305,865.92
  5. Step 5: Solve for x
    x = 18,305,865.92/4,770.50
  6. Step 6: Final answer
    x = 3,837.31

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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.