Home / 8,554.08-12,818.32-3,871.48

Finding the Fourth Proportional to 8,554.08, 12,818.32 and 3,871.48

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Solution

The fourth proportional to 8,554.08, 12,818.32 and 3,871.48 is: 5,801.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,554.08 : 12,818.32 = 3,871.48 : x
  2. Step 2: Convert to fraction form
    8,554.08/12,818.32 = 3,871.48/x
  3. Step 3: Cross multiply
    8,554.08x = 12,818.32 × 3,871.48
  4. Step 4: Simplify right side
    8,554.08x = 49,625,869.51
  5. Step 5: Solve for x
    x = 49,625,869.51/8,554.08
  6. Step 6: Final answer
    x = 5,801.43

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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.