Home / 5,486.89-8,231.93-1,976.83

Finding the Fourth Proportional to 5,486.89, 8,231.93 and 1,976.83

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Solution

The fourth proportional to 5,486.89, 8,231.93 and 1,976.83 is: 2,965.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.89 : 8,231.93 = 1,976.83 : x
  2. Step 2: Convert to fraction form
    5,486.89/8,231.93 = 1,976.83/x
  3. Step 3: Cross multiply
    5,486.89x = 8,231.93 × 1,976.83
  4. Step 4: Simplify right side
    5,486.89x = 16,273,126.18
  5. Step 5: Solve for x
    x = 16,273,126.18/5,486.89
  6. Step 6: Final answer
    x = 2,965.82

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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.