Home / 5,234.36-7,854.21-3,480.56

Finding the Fourth Proportional to 5,234.36, 7,854.21 and 3,480.56

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Solution

The fourth proportional to 5,234.36, 7,854.21 and 3,480.56 is: 5,222.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.36 : 7,854.21 = 3,480.56 : x
  2. Step 2: Convert to fraction form
    5,234.36/7,854.21 = 3,480.56/x
  3. Step 3: Cross multiply
    5,234.36x = 7,854.21 × 3,480.56
  4. Step 4: Simplify right side
    5,234.36x = 27,337,039.34
  5. Step 5: Solve for x
    x = 27,337,039.34/5,234.36
  6. Step 6: Final answer
    x = 5,222.62

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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.