Home / 5,264.60-7,890.06-2,140.97

Finding the Fourth Proportional to 5,264.60, 7,890.06 and 2,140.97

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Solution

The fourth proportional to 5,264.60, 7,890.06 and 2,140.97 is: 3,208.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,264.60 : 7,890.06 = 2,140.97 : x
  2. Step 2: Convert to fraction form
    5,264.60/7,890.06 = 2,140.97/x
  3. Step 3: Cross multiply
    5,264.60x = 7,890.06 × 2,140.97
  4. Step 4: Simplify right side
    5,264.60x = 16,892,351.33
  5. Step 5: Solve for x
    x = 16,892,351.33/5,264.60
  6. Step 6: Final answer
    x = 3,208.67

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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.