Home / 8,719.04-13,080.13-3,180.16

Finding the Fourth Proportional to 8,719.04, 13,080.13 and 3,180.16

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Solution

The fourth proportional to 8,719.04, 13,080.13 and 3,180.16 is: 4,770.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.04 : 13,080.13 = 3,180.16 : x
  2. Step 2: Convert to fraction form
    8,719.04/13,080.13 = 3,180.16/x
  3. Step 3: Cross multiply
    8,719.04x = 13,080.13 × 3,180.16
  4. Step 4: Simplify right side
    8,719.04x = 41,596,906.22
  5. Step 5: Solve for x
    x = 41,596,906.22/8,719.04
  6. Step 6: Final answer
    x = 4,770.81

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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.