Home / 9,186.05-13,781.38-2,612.23

Finding the Fourth Proportional to 9,186.05, 13,781.38 and 2,612.23

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Solution

The fourth proportional to 9,186.05, 13,781.38 and 2,612.23 is: 3,919.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.05 : 13,781.38 = 2,612.23 : x
  2. Step 2: Convert to fraction form
    9,186.05/13,781.38 = 2,612.23/x
  3. Step 3: Cross multiply
    9,186.05x = 13,781.38 × 2,612.23
  4. Step 4: Simplify right side
    9,186.05x = 36,000,134.28
  5. Step 5: Solve for x
    x = 36,000,134.28/9,186.05
  6. Step 6: Final answer
    x = 3,919.00

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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.