Home / 4,770.55-7,156.30-1,769.39

Finding the Fourth Proportional to 4,770.55, 7,156.30 and 1,769.39

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Solution

The fourth proportional to 4,770.55, 7,156.30 and 1,769.39 is: 2,654.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.55 : 7,156.30 = 1,769.39 : x
  2. Step 2: Convert to fraction form
    4,770.55/7,156.30 = 1,769.39/x
  3. Step 3: Cross multiply
    4,770.55x = 7,156.30 × 1,769.39
  4. Step 4: Simplify right side
    4,770.55x = 12,662,285.66
  5. Step 5: Solve for x
    x = 12,662,285.66/4,770.55
  6. Step 6: Final answer
    x = 2,654.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.