Home / 6,418.50-9,631.60-2,770.50

Finding the Fourth Proportional to 6,418.50, 9,631.60 and 2,770.50

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Solution

The fourth proportional to 6,418.50, 9,631.60 and 2,770.50 is: 4,157.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.50 : 9,631.60 = 2,770.50 : x
  2. Step 2: Convert to fraction form
    6,418.50/9,631.60 = 2,770.50/x
  3. Step 3: Cross multiply
    6,418.50x = 9,631.60 × 2,770.50
  4. Step 4: Simplify right side
    6,418.50x = 26,684,347.80
  5. Step 5: Solve for x
    x = 26,684,347.80/6,418.50
  6. Step 6: Final answer
    x = 4,157.41

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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.