Home / 5,076.76-7,609.92-2,305.36

Finding the Fourth Proportional to 5,076.76, 7,609.92 and 2,305.36

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Solution

The fourth proportional to 5,076.76, 7,609.92 and 2,305.36 is: 3,455.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.76 : 7,609.92 = 2,305.36 : x
  2. Step 2: Convert to fraction form
    5,076.76/7,609.92 = 2,305.36/x
  3. Step 3: Cross multiply
    5,076.76x = 7,609.92 × 2,305.36
  4. Step 4: Simplify right side
    5,076.76x = 17,543,605.17
  5. Step 5: Solve for x
    x = 17,543,605.17/5,076.76
  6. Step 6: Final answer
    x = 3,455.67

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1.5x scale

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.