Home / 5,176.03-7,764.30-1,478.80

Finding the Fourth Proportional to 5,176.03, 7,764.30 and 1,478.80

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Solution

The fourth proportional to 5,176.03, 7,764.30 and 1,478.80 is: 2,218.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.03 : 7,764.30 = 1,478.80 : x
  2. Step 2: Convert to fraction form
    5,176.03/7,764.30 = 1,478.80/x
  3. Step 3: Cross multiply
    5,176.03x = 7,764.30 × 1,478.80
  4. Step 4: Simplify right side
    5,176.03x = 11,481,846.84
  5. Step 5: Solve for x
    x = 11,481,846.84/5,176.03
  6. Step 6: Final answer
    x = 2,218.27

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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.