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Finding the Fourth Proportional to 8,191.02, 11,305.62 and 5,004.30

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Solution

The fourth proportional to 8,191.02, 11,305.62 and 5,004.30 is: 6,907.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191.02 : 11,305.62 = 5,004.30 : x
  2. Step 2: Convert to fraction form
    8,191.02/11,305.62 = 5,004.30/x
  3. Step 3: Cross multiply
    8,191.02x = 11,305.62 × 5,004.30
  4. Step 4: Simplify right side
    8,191.02x = 56,576,714.17
  5. Step 5: Solve for x
    x = 56,576,714.17/8,191.02
  6. Step 6: Final answer
    x = 6,907.16

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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.