Home / 8,650.17-12,968.78-4,755.69

Finding the Fourth Proportional to 8,650.17, 12,968.78 and 4,755.69

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Solution

The fourth proportional to 8,650.17, 12,968.78 and 4,755.69 is: 7,129.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,650.17 : 12,968.78 = 4,755.69 : x
  2. Step 2: Convert to fraction form
    8,650.17/12,968.78 = 4,755.69/x
  3. Step 3: Cross multiply
    8,650.17x = 12,968.78 × 4,755.69
  4. Step 4: Simplify right side
    8,650.17x = 61,675,473.58
  5. Step 5: Solve for x
    x = 61,675,473.58/8,650.17
  6. Step 6: Final answer
    x = 7,129.97

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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.