Home / 8,634.48-12,952.31-2,309.28

Finding the Fourth Proportional to 8,634.48, 12,952.31 and 2,309.28

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Solution

The fourth proportional to 8,634.48, 12,952.31 and 2,309.28 is: 3,464.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.48 : 12,952.31 = 2,309.28 : x
  2. Step 2: Convert to fraction form
    8,634.48/12,952.31 = 2,309.28/x
  3. Step 3: Cross multiply
    8,634.48x = 12,952.31 × 2,309.28
  4. Step 4: Simplify right side
    8,634.48x = 29,910,498.89
  5. Step 5: Solve for x
    x = 29,910,498.89/8,634.48
  6. Step 6: Final answer
    x = 3,464.08

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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.