Home / 4,765.44-7,148.82-1,478.79

Finding the Fourth Proportional to 4,765.44, 7,148.82 and 1,478.79

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Solution

The fourth proportional to 4,765.44, 7,148.82 and 1,478.79 is: 2,218.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,765.44 : 7,148.82 = 1,478.79 : x
  2. Step 2: Convert to fraction form
    4,765.44/7,148.82 = 1,478.79/x
  3. Step 3: Cross multiply
    4,765.44x = 7,148.82 × 1,478.79
  4. Step 4: Simplify right side
    4,765.44x = 10,571,603.53
  5. Step 5: Solve for x
    x = 10,571,603.53/4,765.44
  6. Step 6: Final answer
    x = 2,218.39

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1.5x scale

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.