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Finding the Fourth Proportional to 6,754.60, 10,134.30 and 6,514.60

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Solution

The fourth proportional to 6,754.60, 10,134.30 and 6,514.60 is: 9,774.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,754.60 : 10,134.30 = 6,514.60 : x
  2. Step 2: Convert to fraction form
    6,754.60/10,134.30 = 6,514.60/x
  3. Step 3: Cross multiply
    6,754.60x = 10,134.30 × 6,514.60
  4. Step 4: Simplify right side
    6,754.60x = 66,020,910.78
  5. Step 5: Solve for x
    x = 66,020,910.78/6,754.60
  6. Step 6: Final answer
    x = 9,774.21

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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.