Home / 8,684.07-13,026.71-3,489.95

Finding the Fourth Proportional to 8,684.07, 13,026.71 and 3,489.95

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Solution

The fourth proportional to 8,684.07, 13,026.71 and 3,489.95 is: 5,235.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684.07 : 13,026.71 = 3,489.95 : x
  2. Step 2: Convert to fraction form
    8,684.07/13,026.71 = 3,489.95/x
  3. Step 3: Cross multiply
    8,684.07x = 13,026.71 × 3,489.95
  4. Step 4: Simplify right side
    8,684.07x = 45,462,566.56
  5. Step 5: Solve for x
    x = 45,462,566.56/8,684.07
  6. Step 6: Final answer
    x = 5,235.17

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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.