Home / 8,119.41-12,180.93-2,573.08

Finding the Fourth Proportional to 8,119.41, 12,180.93 and 2,573.08

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Solution

The fourth proportional to 8,119.41, 12,180.93 and 2,573.08 is: 3,860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119.41 : 12,180.93 = 2,573.08 : x
  2. Step 2: Convert to fraction form
    8,119.41/12,180.93 = 2,573.08/x
  3. Step 3: Cross multiply
    8,119.41x = 12,180.93 × 2,573.08
  4. Step 4: Simplify right side
    8,119.41x = 31,342,507.36
  5. Step 5: Solve for x
    x = 31,342,507.36/8,119.41
  6. Step 6: Final answer
    x = 3,860.20

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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.