Home / 10,611.04-15,916.92-2,819.86

Finding the Fourth Proportional to 10,611.04, 15,916.92 and 2,819.86

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Solution

The fourth proportional to 10,611.04, 15,916.92 and 2,819.86 is: 4,229.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,611.04 : 15,916.92 = 2,819.86 : x
  2. Step 2: Convert to fraction form
    10,611.04/15,916.92 = 2,819.86/x
  3. Step 3: Cross multiply
    10,611.04x = 15,916.92 × 2,819.86
  4. Step 4: Simplify right side
    10,611.04x = 44,883,486.03
  5. Step 5: Solve for x
    x = 44,883,486.03/10,611.04
  6. Step 6: Final answer
    x = 4,229.89

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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.