Home / 5,267.67-7,269.35-2,877.67

Finding the Fourth Proportional to 5,267.67, 7,269.35 and 2,877.67

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Solution

The fourth proportional to 5,267.67, 7,269.35 and 2,877.67 is: 3,971.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.67 : 7,269.35 = 2,877.67 : x
  2. Step 2: Convert to fraction form
    5,267.67/7,269.35 = 2,877.67/x
  3. Step 3: Cross multiply
    5,267.67x = 7,269.35 × 2,877.67
  4. Step 4: Simplify right side
    5,267.67x = 20,918,790.41
  5. Step 5: Solve for x
    x = 20,918,790.41/5,267.67
  6. Step 6: Final answer
    x = 3,971.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.