Home / 8,871.85-13,309.92-3,325.25

Finding the Fourth Proportional to 8,871.85, 13,309.92 and 3,325.25

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Solution

The fourth proportional to 8,871.85, 13,309.92 and 3,325.25 is: 4,988.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.85 : 13,309.92 = 3,325.25 : x
  2. Step 2: Convert to fraction form
    8,871.85/13,309.92 = 3,325.25/x
  3. Step 3: Cross multiply
    8,871.85x = 13,309.92 × 3,325.25
  4. Step 4: Simplify right side
    8,871.85x = 44,258,811.48
  5. Step 5: Solve for x
    x = 44,258,811.48/8,871.85
  6. Step 6: Final answer
    x = 4,988.68

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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.