Home / 9,186.39-13,779.74-2,612.75

Finding the Fourth Proportional to 9,186.39, 13,779.74 and 2,612.75

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Solution

The fourth proportional to 9,186.39, 13,779.74 and 2,612.75 is: 3,919.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.39 : 13,779.74 = 2,612.75 : x
  2. Step 2: Convert to fraction form
    9,186.39/13,779.74 = 2,612.75/x
  3. Step 3: Cross multiply
    9,186.39x = 13,779.74 × 2,612.75
  4. Step 4: Simplify right side
    9,186.39x = 36,002,933.72
  5. Step 5: Solve for x
    x = 36,002,933.72/9,186.39
  6. Step 6: Final answer
    x = 3,919.16

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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.