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Finding the Fourth Proportional to 8,185.88, 11,296.51 and 4,459.88

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Solution

The fourth proportional to 8,185.88, 11,296.51 and 4,459.88 is: 6,154.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185.88 : 11,296.51 = 4,459.88 : x
  2. Step 2: Convert to fraction form
    8,185.88/11,296.51 = 4,459.88/x
  3. Step 3: Cross multiply
    8,185.88x = 11,296.51 × 4,459.88
  4. Step 4: Simplify right side
    8,185.88x = 50,381,079.02
  5. Step 5: Solve for x
    x = 50,381,079.02/8,185.88
  6. Step 6: Final answer
    x = 6,154.63

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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.