Home / 8,119.18-12,173.37-2,924.38

Finding the Fourth Proportional to 8,119.18, 12,173.37 and 2,924.38

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Solution

The fourth proportional to 8,119.18, 12,173.37 and 2,924.38 is: 4,384.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119.18 : 12,173.37 = 2,924.38 : x
  2. Step 2: Convert to fraction form
    8,119.18/12,173.37 = 2,924.38/x
  3. Step 3: Cross multiply
    8,119.18x = 12,173.37 × 2,924.38
  4. Step 4: Simplify right side
    8,119.18x = 35,599,559.76
  5. Step 5: Solve for x
    x = 35,599,559.76/8,119.18
  6. Step 6: Final answer
    x = 4,384.63

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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.