Home / 5,449.15-8,173.77-1,553.59

Finding the Fourth Proportional to 5,449.15, 8,173.77 and 1,553.59

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Solution

The fourth proportional to 5,449.15, 8,173.77 and 1,553.59 is: 2,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.15 : 8,173.77 = 1,553.59 : x
  2. Step 2: Convert to fraction form
    5,449.15/8,173.77 = 1,553.59/x
  3. Step 3: Cross multiply
    5,449.15x = 8,173.77 × 1,553.59
  4. Step 4: Simplify right side
    5,449.15x = 12,698,687.33
  5. Step 5: Solve for x
    x = 12,698,687.33/5,449.15
  6. Step 6: Final answer
    x = 2,330.40

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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.