Home / 9,186.21-13,779.99-2,612.88

Finding the Fourth Proportional to 9,186.21, 13,779.99 and 2,612.88

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Solution

The fourth proportional to 9,186.21, 13,779.99 and 2,612.88 is: 3,919.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.21 : 13,779.99 = 2,612.88 : x
  2. Step 2: Convert to fraction form
    9,186.21/13,779.99 = 2,612.88/x
  3. Step 3: Cross multiply
    9,186.21x = 13,779.99 × 2,612.88
  4. Step 4: Simplify right side
    9,186.21x = 36,005,460.27
  5. Step 5: Solve for x
    x = 36,005,460.27/9,186.21
  6. Step 6: Final answer
    x = 3,919.51

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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.