Home / 8,381.34-12,573.90-2,835

Finding the Fourth Proportional to 8,381.34, 12,573.90 and 2,835

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Solution

The fourth proportional to 8,381.34, 12,573.90 and 2,835 is: 4,253.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,381.34 : 12,573.90 = 2,835 : x
  2. Step 2: Convert to fraction form
    8,381.34/12,573.90 = 2,835/x
  3. Step 3: Cross multiply
    8,381.34x = 12,573.90 × 2,835
  4. Step 4: Simplify right side
    8,381.34x = 35,647,006.50
  5. Step 5: Solve for x
    x = 35,647,006.50/8,381.34
  6. Step 6: Final answer
    x = 4,253.14

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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.