Home / 7,831.14-10,799.62-6,243.06

Finding the Fourth Proportional to 7,831.14, 10,799.62 and 6,243.06

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Solution

The fourth proportional to 7,831.14, 10,799.62 and 6,243.06 is: 8,609.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.14 : 10,799.62 = 6,243.06 : x
  2. Step 2: Convert to fraction form
    7,831.14/10,799.62 = 6,243.06/x
  3. Step 3: Cross multiply
    7,831.14x = 10,799.62 × 6,243.06
  4. Step 4: Simplify right side
    7,831.14x = 67,422,675.64
  5. Step 5: Solve for x
    x = 67,422,675.64/7,831.14
  6. Step 6: Final answer
    x = 8,609.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.