Home / 5,400.19-8,095.42-2,115.64

Finding the Fourth Proportional to 5,400.19, 8,095.42 and 2,115.64

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Solution

The fourth proportional to 5,400.19, 8,095.42 and 2,115.64 is: 3,171.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.19 : 8,095.42 = 2,115.64 : x
  2. Step 2: Convert to fraction form
    5,400.19/8,095.42 = 2,115.64/x
  3. Step 3: Cross multiply
    5,400.19x = 8,095.42 × 2,115.64
  4. Step 4: Simplify right side
    5,400.19x = 17,126,994.37
  5. Step 5: Solve for x
    x = 17,126,994.37/5,400.19
  6. Step 6: Final answer
    x = 3,171.55

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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.