Home / 8,185.27-12,274.26-2,987.50

Finding the Fourth Proportional to 8,185.27, 12,274.26 and 2,987.50

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Solution

The fourth proportional to 8,185.27, 12,274.26 and 2,987.50 is: 4,479.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185.27 : 12,274.26 = 2,987.50 : x
  2. Step 2: Convert to fraction form
    8,185.27/12,274.26 = 2,987.50/x
  3. Step 3: Cross multiply
    8,185.27x = 12,274.26 × 2,987.50
  4. Step 4: Simplify right side
    8,185.27x = 36,669,351.75
  5. Step 5: Solve for x
    x = 36,669,351.75/8,185.27
  6. Step 6: Final answer
    x = 4,479.92

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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.