Home / 6,081.62-8,391.93-3,428.87

Finding the Fourth Proportional to 6,081.62, 8,391.93 and 3,428.87

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Solution

The fourth proportional to 6,081.62, 8,391.93 and 3,428.87 is: 4,731.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,081.62 : 8,391.93 = 3,428.87 : x
  2. Step 2: Convert to fraction form
    6,081.62/8,391.93 = 3,428.87/x
  3. Step 3: Cross multiply
    6,081.62x = 8,391.93 × 3,428.87
  4. Step 4: Simplify right side
    6,081.62x = 28,774,845.14
  5. Step 5: Solve for x
    x = 28,774,845.14/6,081.62
  6. Step 6: Final answer
    x = 4,731.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.