Home / 5,369.16-8,051.91-2,081.37

Finding the Fourth Proportional to 5,369.16, 8,051.91 and 2,081.37

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Solution

The fourth proportional to 5,369.16, 8,051.91 and 2,081.37 is: 3,121.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,369.16 : 8,051.91 = 2,081.37 : x
  2. Step 2: Convert to fraction form
    5,369.16/8,051.91 = 2,081.37/x
  3. Step 3: Cross multiply
    5,369.16x = 8,051.91 × 2,081.37
  4. Step 4: Simplify right side
    5,369.16x = 16,759,003.92
  5. Step 5: Solve for x
    x = 16,759,003.92/5,369.16
  6. Step 6: Final answer
    x = 3,121.35

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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.