Home / 9,185.86-13,778.91-2,612.04

Finding the Fourth Proportional to 9,185.86, 13,778.91 and 2,612.04

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Solution

The fourth proportional to 9,185.86, 13,778.91 and 2,612.04 is: 3,918.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,185.86 : 13,778.91 = 2,612.04 : x
  2. Step 2: Convert to fraction form
    9,185.86/13,778.91 = 2,612.04/x
  3. Step 3: Cross multiply
    9,185.86x = 13,778.91 × 2,612.04
  4. Step 4: Simplify right side
    9,185.86x = 35,991,064.08
  5. Step 5: Solve for x
    x = 35,991,064.08/9,185.86
  6. Step 6: Final answer
    x = 3,918.09

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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.