Home / 7,831.13-11,745.48-2,283.90

Finding the Fourth Proportional to 7,831.13, 11,745.48 and 2,283.90

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Solution

The fourth proportional to 7,831.13, 11,745.48 and 2,283.90 is: 3,425.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.13 : 11,745.48 = 2,283.90 : x
  2. Step 2: Convert to fraction form
    7,831.13/11,745.48 = 2,283.90/x
  3. Step 3: Cross multiply
    7,831.13x = 11,745.48 × 2,283.90
  4. Step 4: Simplify right side
    7,831.13x = 26,825,459.87
  5. Step 5: Solve for x
    x = 26,825,459.87/7,831.13
  6. Step 6: Final answer
    x = 3,425.49

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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.