Home / 8,855.28-13,281.38-3,308.67

Finding the Fourth Proportional to 8,855.28, 13,281.38 and 3,308.67

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Solution

The fourth proportional to 8,855.28, 13,281.38 and 3,308.67 is: 4,962.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.28 : 13,281.38 = 3,308.67 : x
  2. Step 2: Convert to fraction form
    8,855.28/13,281.38 = 3,308.67/x
  3. Step 3: Cross multiply
    8,855.28x = 13,281.38 × 3,308.67
  4. Step 4: Simplify right side
    8,855.28x = 43,943,711.84
  5. Step 5: Solve for x
    x = 43,943,711.84/8,855.28
  6. Step 6: Final answer
    x = 4,962.43

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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.