Home / 5,675.15-8,511.78-2,715.41

Finding the Fourth Proportional to 5,675.15, 8,511.78 and 2,715.41

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Solution

The fourth proportional to 5,675.15, 8,511.78 and 2,715.41 is: 4,072.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,675.15 : 8,511.78 = 2,715.41 : x
  2. Step 2: Convert to fraction form
    5,675.15/8,511.78 = 2,715.41/x
  3. Step 3: Cross multiply
    5,675.15x = 8,511.78 × 2,715.41
  4. Step 4: Simplify right side
    5,675.15x = 23,112,937.67
  5. Step 5: Solve for x
    x = 23,112,937.67/5,675.15
  6. Step 6: Final answer
    x = 4,072.66

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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.