Home / 5,447.06-8,171.96-1,551.47

Finding the Fourth Proportional to 5,447.06, 8,171.96 and 1,551.47

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Solution

The fourth proportional to 5,447.06, 8,171.96 and 1,551.47 is: 2,327.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.06 : 8,171.96 = 1,551.47 : x
  2. Step 2: Convert to fraction form
    5,447.06/8,171.96 = 1,551.47/x
  3. Step 3: Cross multiply
    5,447.06x = 8,171.96 × 1,551.47
  4. Step 4: Simplify right side
    5,447.06x = 12,678,540.83
  5. Step 5: Solve for x
    x = 12,678,540.83/5,447.06
  6. Step 6: Final answer
    x = 2,327.59

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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.