Home / 7,887.67-11,831.73-2,693.50

Finding the Fourth Proportional to 7,887.67, 11,831.73 and 2,693.50

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Solution

The fourth proportional to 7,887.67, 11,831.73 and 2,693.50 is: 4,040.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.67 : 11,831.73 = 2,693.50 : x
  2. Step 2: Convert to fraction form
    7,887.67/11,831.73 = 2,693.50/x
  3. Step 3: Cross multiply
    7,887.67x = 11,831.73 × 2,693.50
  4. Step 4: Simplify right side
    7,887.67x = 31,868,764.76
  5. Step 5: Solve for x
    x = 31,868,764.76/7,887.67
  6. Step 6: Final answer
    x = 4,040.33

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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.