Home / 9,190.68-13,786.10-2,616.86

Finding the Fourth Proportional to 9,190.68, 13,786.10 and 2,616.86

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Solution

The fourth proportional to 9,190.68, 13,786.10 and 2,616.86 is: 3,925.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190.68 : 13,786.10 = 2,616.86 : x
  2. Step 2: Convert to fraction form
    9,190.68/13,786.10 = 2,616.86/x
  3. Step 3: Cross multiply
    9,190.68x = 13,786.10 × 2,616.86
  4. Step 4: Simplify right side
    9,190.68x = 36,076,293.65
  5. Step 5: Solve for x
    x = 36,076,293.65/9,190.68
  6. Step 6: Final answer
    x = 3,925.31

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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.