Home / 5,677.34-8,516.75-1,876.72

Finding the Fourth Proportional to 5,677.34, 8,516.75 and 1,876.72

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Solution

The fourth proportional to 5,677.34, 8,516.75 and 1,876.72 is: 2,815.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,677.34 : 8,516.75 = 1,876.72 : x
  2. Step 2: Convert to fraction form
    5,677.34/8,516.75 = 1,876.72/x
  3. Step 3: Cross multiply
    5,677.34x = 8,516.75 × 1,876.72
  4. Step 4: Simplify right side
    5,677.34x = 15,983,524.38
  5. Step 5: Solve for x
    x = 15,983,524.38/5,677.34
  6. Step 6: Final answer
    x = 2,815.32

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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.