Home / 8,812.40-13,217.96-3,264.72

Finding the Fourth Proportional to 8,812.40, 13,217.96 and 3,264.72

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Solution

The fourth proportional to 8,812.40, 13,217.96 and 3,264.72 is: 4,896.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.40 : 13,217.96 = 3,264.72 : x
  2. Step 2: Convert to fraction form
    8,812.40/13,217.96 = 3,264.72/x
  3. Step 3: Cross multiply
    8,812.40x = 13,217.96 × 3,264.72
  4. Step 4: Simplify right side
    8,812.40x = 43,152,938.37
  5. Step 5: Solve for x
    x = 43,152,938.37/8,812.40
  6. Step 6: Final answer
    x = 4,896.84

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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.