Home / 5,106.09-7,662.47-2,184.62

Finding the Fourth Proportional to 5,106.09, 7,662.47 and 2,184.62

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Solution

The fourth proportional to 5,106.09, 7,662.47 and 2,184.62 is: 3,278.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.09 : 7,662.47 = 2,184.62 : x
  2. Step 2: Convert to fraction form
    5,106.09/7,662.47 = 2,184.62/x
  3. Step 3: Cross multiply
    5,106.09x = 7,662.47 × 2,184.62
  4. Step 4: Simplify right side
    5,106.09x = 16,739,597.51
  5. Step 5: Solve for x
    x = 16,739,597.51/5,106.09
  6. Step 6: Final answer
    x = 3,278.36

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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.