Home / 4,770.55-6,583.53-2,780.79

Finding the Fourth Proportional to 4,770.55, 6,583.53 and 2,780.79

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Solution

The fourth proportional to 4,770.55, 6,583.53 and 2,780.79 is: 3,837.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.55 : 6,583.53 = 2,780.79 : x
  2. Step 2: Convert to fraction form
    4,770.55/6,583.53 = 2,780.79/x
  3. Step 3: Cross multiply
    4,770.55x = 6,583.53 × 2,780.79
  4. Step 4: Simplify right side
    4,770.55x = 18,307,414.39
  5. Step 5: Solve for x
    x = 18,307,414.39/4,770.55
  6. Step 6: Final answer
    x = 3,837.59

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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.