Home / 5,616-8,423.33-1,918.15

Finding the Fourth Proportional to 5,616, 8,423.33 and 1,918.15

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Solution

The fourth proportional to 5,616, 8,423.33 and 1,918.15 is: 2,876.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616 : 8,423.33 = 1,918.15 : x
  2. Step 2: Convert to fraction form
    5,616/8,423.33 = 1,918.15/x
  3. Step 3: Cross multiply
    5,616x = 8,423.33 × 1,918.15
  4. Step 4: Simplify right side
    5,616x = 16,157,179.79
  5. Step 5: Solve for x
    x = 16,157,179.79/5,616
  6. Step 6: Final answer
    x = 2,876.99

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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.