Home / 8,180.84-12,271.26-2,986.04

Finding the Fourth Proportional to 8,180.84, 12,271.26 and 2,986.04

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Solution

The fourth proportional to 8,180.84, 12,271.26 and 2,986.04 is: 4,479.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.84 : 12,271.26 = 2,986.04 : x
  2. Step 2: Convert to fraction form
    8,180.84/12,271.26 = 2,986.04/x
  3. Step 3: Cross multiply
    8,180.84x = 12,271.26 × 2,986.04
  4. Step 4: Simplify right side
    8,180.84x = 36,642,473.21
  5. Step 5: Solve for x
    x = 36,642,473.21/8,180.84
  6. Step 6: Final answer
    x = 4,479.06

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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.