Home / 5,678.94-8,523.30-2,218.62

Finding the Fourth Proportional to 5,678.94, 8,523.30 and 2,218.62

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Solution

The fourth proportional to 5,678.94, 8,523.30 and 2,218.62 is: 3,329.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678.94 : 8,523.30 = 2,218.62 : x
  2. Step 2: Convert to fraction form
    5,678.94/8,523.30 = 2,218.62/x
  3. Step 3: Cross multiply
    5,678.94x = 8,523.30 × 2,218.62
  4. Step 4: Simplify right side
    5,678.94x = 18,909,963.85
  5. Step 5: Solve for x
    x = 18,909,963.85/5,678.94
  6. Step 6: Final answer
    x = 3,329.84

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1.5x scale

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.