Home / 5,677.26-8,516.70-1,780.62

Finding the Fourth Proportional to 5,677.26, 8,516.70 and 1,780.62

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Solution

The fourth proportional to 5,677.26, 8,516.70 and 1,780.62 is: 2,671.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,677.26 : 8,516.70 = 1,780.62 : x
  2. Step 2: Convert to fraction form
    5,677.26/8,516.70 = 1,780.62/x
  3. Step 3: Cross multiply
    5,677.26x = 8,516.70 × 1,780.62
  4. Step 4: Simplify right side
    5,677.26x = 15,165,006.35
  5. Step 5: Solve for x
    x = 15,165,006.35/5,677.26
  6. Step 6: Final answer
    x = 2,671.18

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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.