Home / 5,180.44-7,770.57-1,284.84

Finding the Fourth Proportional to 5,180.44, 7,770.57 and 1,284.84

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Solution

The fourth proportional to 5,180.44, 7,770.57 and 1,284.84 is: 1,927.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.44 : 7,770.57 = 1,284.84 : x
  2. Step 2: Convert to fraction form
    5,180.44/7,770.57 = 1,284.84/x
  3. Step 3: Cross multiply
    5,180.44x = 7,770.57 × 1,284.84
  4. Step 4: Simplify right side
    5,180.44x = 9,983,939.16
  5. Step 5: Solve for x
    x = 9,983,939.16/5,180.44
  6. Step 6: Final answer
    x = 1,927.24

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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.