Home / 5,918.84-8,877.60-2,119.33

Finding the Fourth Proportional to 5,918.84, 8,877.60 and 2,119.33

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Solution

The fourth proportional to 5,918.84, 8,877.60 and 2,119.33 is: 3,178.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.84 : 8,877.60 = 2,119.33 : x
  2. Step 2: Convert to fraction form
    5,918.84/8,877.60 = 2,119.33/x
  3. Step 3: Cross multiply
    5,918.84x = 8,877.60 × 2,119.33
  4. Step 4: Simplify right side
    5,918.84x = 18,814,564.01
  5. Step 5: Solve for x
    x = 18,814,564.01/5,918.84
  6. Step 6: Final answer
    x = 3,178.76

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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.