Home / 8,684.31-13,026.62-3,133.79

Finding the Fourth Proportional to 8,684.31, 13,026.62 and 3,133.79

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Solution

The fourth proportional to 8,684.31, 13,026.62 and 3,133.79 is: 4,700.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684.31 : 13,026.62 = 3,133.79 : x
  2. Step 2: Convert to fraction form
    8,684.31/13,026.62 = 3,133.79/x
  3. Step 3: Cross multiply
    8,684.31x = 13,026.62 × 3,133.79
  4. Step 4: Simplify right side
    8,684.31x = 40,822,683.04
  5. Step 5: Solve for x
    x = 40,822,683.04/8,684.31
  6. Step 6: Final answer
    x = 4,700.74

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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.