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Finding the Fourth Proportional to 8,068.56, 12,077.88 and 6,887.76

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Solution

The fourth proportional to 8,068.56, 12,077.88 and 6,887.76 is: 10,310.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068.56 : 12,077.88 = 6,887.76 : x
  2. Step 2: Convert to fraction form
    8,068.56/12,077.88 = 6,887.76/x
  3. Step 3: Cross multiply
    8,068.56x = 12,077.88 × 6,887.76
  4. Step 4: Simplify right side
    8,068.56x = 83,189,538.75
  5. Step 5: Solve for x
    x = 83,189,538.75/8,068.56
  6. Step 6: Final answer
    x = 10,310.33

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1.5x scale

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.