Home / 8,831.90-13,243.05-3,285.02

Finding the Fourth Proportional to 8,831.90, 13,243.05 and 3,285.02

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Solution

The fourth proportional to 8,831.90, 13,243.05 and 3,285.02 is: 4,925.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.90 : 13,243.05 = 3,285.02 : x
  2. Step 2: Convert to fraction form
    8,831.90/13,243.05 = 3,285.02/x
  3. Step 3: Cross multiply
    8,831.90x = 13,243.05 × 3,285.02
  4. Step 4: Simplify right side
    8,831.90x = 43,503,684.11
  5. Step 5: Solve for x
    x = 43,503,684.11/8,831.90
  6. Step 6: Final answer
    x = 4,925.74

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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.