Home / 8,861.90-13,295.45-2,622.08

Finding the Fourth Proportional to 8,861.90, 13,295.45 and 2,622.08

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Solution

The fourth proportional to 8,861.90, 13,295.45 and 2,622.08 is: 3,933.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.90 : 13,295.45 = 2,622.08 : x
  2. Step 2: Convert to fraction form
    8,861.90/13,295.45 = 2,622.08/x
  3. Step 3: Cross multiply
    8,861.90x = 13,295.45 × 2,622.08
  4. Step 4: Simplify right side
    8,861.90x = 34,861,653.95
  5. Step 5: Solve for x
    x = 34,861,653.95/8,861.90
  6. Step 6: Final answer
    x = 3,933.88

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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.