Home / 7,831.25-11,745.62-2,283.29

Finding the Fourth Proportional to 7,831.25, 11,745.62 and 2,283.29

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Solution

The fourth proportional to 7,831.25, 11,745.62 and 2,283.29 is: 3,424.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.25 : 11,745.62 = 2,283.29 : x
  2. Step 2: Convert to fraction form
    7,831.25/11,745.62 = 2,283.29/x
  3. Step 3: Cross multiply
    7,831.25x = 11,745.62 × 2,283.29
  4. Step 4: Simplify right side
    7,831.25x = 26,818,661.18
  5. Step 5: Solve for x
    x = 26,818,661.18/7,831.25
  6. Step 6: Final answer
    x = 3,424.57

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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.