Home / 5,285.37-7,291.26-3,493.55

Finding the Fourth Proportional to 5,285.37, 7,291.26 and 3,493.55

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Solution

The fourth proportional to 5,285.37, 7,291.26 and 3,493.55 is: 4,819.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.37 : 7,291.26 = 3,493.55 : x
  2. Step 2: Convert to fraction form
    5,285.37/7,291.26 = 3,493.55/x
  3. Step 3: Cross multiply
    5,285.37x = 7,291.26 × 3,493.55
  4. Step 4: Simplify right side
    5,285.37x = 25,472,399.60
  5. Step 5: Solve for x
    x = 25,472,399.60/5,285.37
  6. Step 6: Final answer
    x = 4,819.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.