Home / 7,988.62-11,984.69-2,442.39

Finding the Fourth Proportional to 7,988.62, 11,984.69 and 2,442.39

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Solution

The fourth proportional to 7,988.62, 11,984.69 and 2,442.39 is: 3,664.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988.62 : 11,984.69 = 2,442.39 : x
  2. Step 2: Convert to fraction form
    7,988.62/11,984.69 = 2,442.39/x
  3. Step 3: Cross multiply
    7,988.62x = 11,984.69 × 2,442.39
  4. Step 4: Simplify right side
    7,988.62x = 29,271,287.01
  5. Step 5: Solve for x
    x = 29,271,287.01/7,988.62
  6. Step 6: Final answer
    x = 3,664.12

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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.