Home / 4,745.13-6,550.70-2,978.52

Finding the Fourth Proportional to 4,745.13, 6,550.70 and 2,978.52

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Solution

The fourth proportional to 4,745.13, 6,550.70 and 2,978.52 is: 4,111.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745.13 : 6,550.70 = 2,978.52 : x
  2. Step 2: Convert to fraction form
    4,745.13/6,550.70 = 2,978.52/x
  3. Step 3: Cross multiply
    4,745.13x = 6,550.70 × 2,978.52
  4. Step 4: Simplify right side
    4,745.13x = 19,511,390.96
  5. Step 5: Solve for x
    x = 19,511,390.96/4,745.13
  6. Step 6: Final answer
    x = 4,111.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.