Home / 5,212.10-7,808.29-2,576.54

Finding the Fourth Proportional to 5,212.10, 7,808.29 and 2,576.54

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Solution

The fourth proportional to 5,212.10, 7,808.29 and 2,576.54 is: 3,859.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.10 : 7,808.29 = 2,576.54 : x
  2. Step 2: Convert to fraction form
    5,212.10/7,808.29 = 2,576.54/x
  3. Step 3: Cross multiply
    5,212.10x = 7,808.29 × 2,576.54
  4. Step 4: Simplify right side
    5,212.10x = 20,118,384.60
  5. Step 5: Solve for x
    x = 20,118,384.60/5,212.10
  6. Step 6: Final answer
    x = 3,859.94

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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.