Home / 8,815.05-13,213.35-2,969.64

Finding the Fourth Proportional to 8,815.05, 13,213.35 and 2,969.64

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Solution

The fourth proportional to 8,815.05, 13,213.35 and 2,969.64 is: 4,451.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.05 : 13,213.35 = 2,969.64 : x
  2. Step 2: Convert to fraction form
    8,815.05/13,213.35 = 2,969.64/x
  3. Step 3: Cross multiply
    8,815.05x = 13,213.35 × 2,969.64
  4. Step 4: Simplify right side
    8,815.05x = 39,238,892.69
  5. Step 5: Solve for x
    x = 39,238,892.69/8,815.05
  6. Step 6: Final answer
    x = 4,451.35

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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.