Home / 7,996.17-11,971.62-4,239.40

Finding the Fourth Proportional to 7,996.17, 11,971.62 and 4,239.40

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Solution

The fourth proportional to 7,996.17, 11,971.62 and 4,239.40 is: 6,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,996.17 : 11,971.62 = 4,239.40 : x
  2. Step 2: Convert to fraction form
    7,996.17/11,971.62 = 4,239.40/x
  3. Step 3: Cross multiply
    7,996.17x = 11,971.62 × 4,239.40
  4. Step 4: Simplify right side
    7,996.17x = 50,752,485.83
  5. Step 5: Solve for x
    x = 50,752,485.83/7,996.17
  6. Step 6: Final answer
    x = 6,347.10

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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.