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Finding the Fourth Proportional to 8,110.90, 11,193.03 and 4,384.90

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Solution

The fourth proportional to 8,110.90, 11,193.03 and 4,384.90 is: 6,051.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,110.90 : 11,193.03 = 4,384.90 : x
  2. Step 2: Convert to fraction form
    8,110.90/11,193.03 = 4,384.90/x
  3. Step 3: Cross multiply
    8,110.90x = 11,193.03 × 4,384.90
  4. Step 4: Simplify right side
    8,110.90x = 49,080,317.25
  5. Step 5: Solve for x
    x = 49,080,317.25/8,110.90
  6. Step 6: Final answer
    x = 6,051.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.