Home / 8,634.98-12,953.06-2,309.78

Finding the Fourth Proportional to 8,634.98, 12,953.06 and 2,309.78

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Solution

The fourth proportional to 8,634.98, 12,953.06 and 2,309.78 is: 3,464.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.98 : 12,953.06 = 2,309.78 : x
  2. Step 2: Convert to fraction form
    8,634.98/12,953.06 = 2,309.78/x
  3. Step 3: Cross multiply
    8,634.98x = 12,953.06 × 2,309.78
  4. Step 4: Simplify right side
    8,634.98x = 29,918,707.38
  5. Step 5: Solve for x
    x = 29,918,707.38/8,634.98
  6. Step 6: Final answer
    x = 3,464.83

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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.