Home / 5,990.45-8,941.33-5,621.09

Finding the Fourth Proportional to 5,990.45, 8,941.33 and 5,621.09

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Solution

The fourth proportional to 5,990.45, 8,941.33 and 5,621.09 is: 8,390.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,990.45 : 8,941.33 = 5,621.09 : x
  2. Step 2: Convert to fraction form
    5,990.45/8,941.33 = 5,621.09/x
  3. Step 3: Cross multiply
    5,990.45x = 8,941.33 × 5,621.09
  4. Step 4: Simplify right side
    5,990.45x = 50,259,992.54
  5. Step 5: Solve for x
    x = 50,259,992.54/5,990.45
  6. Step 6: Final answer
    x = 8,390.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.