Home / 5,443.38-8,166.63-1,745.52

Finding the Fourth Proportional to 5,443.38, 8,166.63 and 1,745.52

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Solution

The fourth proportional to 5,443.38, 8,166.63 and 1,745.52 is: 2,618.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443.38 : 8,166.63 = 1,745.52 : x
  2. Step 2: Convert to fraction form
    5,443.38/8,166.63 = 1,745.52/x
  3. Step 3: Cross multiply
    5,443.38x = 8,166.63 × 1,745.52
  4. Step 4: Simplify right side
    5,443.38x = 14,255,016.00
  5. Step 5: Solve for x
    x = 14,255,016.00/5,443.38
  6. Step 6: Final answer
    x = 2,618.78

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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.