Home / 5,918.59-8,877.23-2,119.08

Finding the Fourth Proportional to 5,918.59, 8,877.23 and 2,119.08

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Solution

The fourth proportional to 5,918.59, 8,877.23 and 2,119.08 is: 3,178.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.59 : 8,877.23 = 2,119.08 : x
  2. Step 2: Convert to fraction form
    5,918.59/8,877.23 = 2,119.08/x
  3. Step 3: Cross multiply
    5,918.59x = 8,877.23 × 2,119.08
  4. Step 4: Simplify right side
    5,918.59x = 18,811,549.95
  5. Step 5: Solve for x
    x = 18,811,549.95/5,918.59
  6. Step 6: Final answer
    x = 3,178.39

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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.