Home / 8,965.08-13,438.36-3,416.94

Finding the Fourth Proportional to 8,965.08, 13,438.36 and 3,416.94

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Solution

The fourth proportional to 8,965.08, 13,438.36 and 3,416.94 is: 5,121.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,965.08 : 13,438.36 = 3,416.94 : x
  2. Step 2: Convert to fraction form
    8,965.08/13,438.36 = 3,416.94/x
  3. Step 3: Cross multiply
    8,965.08x = 13,438.36 × 3,416.94
  4. Step 4: Simplify right side
    8,965.08x = 45,918,036.22
  5. Step 5: Solve for x
    x = 45,918,036.22/8,965.08
  6. Step 6: Final answer
    x = 5,121.88

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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.