Home / 5,576.20-8,396.90-4,125.56

Finding the Fourth Proportional to 5,576.20, 8,396.90 and 4,125.56

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Solution

The fourth proportional to 5,576.20, 8,396.90 and 4,125.56 is: 6,212.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,576.20 : 8,396.90 = 4,125.56 : x
  2. Step 2: Convert to fraction form
    5,576.20/8,396.90 = 4,125.56/x
  3. Step 3: Cross multiply
    5,576.20x = 8,396.90 × 4,125.56
  4. Step 4: Simplify right side
    5,576.20x = 34,641,914.76
  5. Step 5: Solve for x
    x = 34,641,914.76/5,576.20
  6. Step 6: Final answer
    x = 6,212.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.