Home / 8,107.02-11,190.96-6,118.07

Finding the Fourth Proportional to 8,107.02, 11,190.96 and 6,118.07

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Solution

The fourth proportional to 8,107.02, 11,190.96 and 6,118.07 is: 8,445.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.02 : 11,190.96 = 6,118.07 : x
  2. Step 2: Convert to fraction form
    8,107.02/11,190.96 = 6,118.07/x
  3. Step 3: Cross multiply
    8,107.02x = 11,190.96 × 6,118.07
  4. Step 4: Simplify right side
    8,107.02x = 68,467,020.69
  5. Step 5: Solve for x
    x = 68,467,020.69/8,107.02
  6. Step 6: Final answer
    x = 8,445.40

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Half scale
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Double scale
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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.