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Finding the Fourth Proportional to 6,089.88, 9,137.70 and 4,218.65

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Solution

The fourth proportional to 6,089.88, 9,137.70 and 4,218.65 is: 6,329.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,089.88 : 9,137.70 = 4,218.65 : x
  2. Step 2: Convert to fraction form
    6,089.88/9,137.70 = 4,218.65/x
  3. Step 3: Cross multiply
    6,089.88x = 9,137.70 × 4,218.65
  4. Step 4: Simplify right side
    6,089.88x = 38,548,754.59
  5. Step 5: Solve for x
    x = 38,548,754.59/6,089.88
  6. Step 6: Final answer
    x = 6,329.97

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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.