Home / 8,634.24-12,954.08-3,087.46

Finding the Fourth Proportional to 8,634.24, 12,954.08 and 3,087.46

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Solution

The fourth proportional to 8,634.24, 12,954.08 and 3,087.46 is: 4,632.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.24 : 12,954.08 = 3,087.46 : x
  2. Step 2: Convert to fraction form
    8,634.24/12,954.08 = 3,087.46/x
  3. Step 3: Cross multiply
    8,634.24x = 12,954.08 × 3,087.46
  4. Step 4: Simplify right side
    8,634.24x = 39,995,203.84
  5. Step 5: Solve for x
    x = 39,995,203.84/8,634.24
  6. Step 6: Final answer
    x = 4,632.16

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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.