Home / 5,212.76-7,190.92-3,533.60

Finding the Fourth Proportional to 5,212.76, 7,190.92 and 3,533.60

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Solution

The fourth proportional to 5,212.76, 7,190.92 and 3,533.60 is: 4,874.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.76 : 7,190.92 = 3,533.60 : x
  2. Step 2: Convert to fraction form
    5,212.76/7,190.92 = 3,533.60/x
  3. Step 3: Cross multiply
    5,212.76x = 7,190.92 × 3,533.60
  4. Step 4: Simplify right side
    5,212.76x = 25,409,834.91
  5. Step 5: Solve for x
    x = 25,409,834.91/5,212.76
  6. Step 6: Final answer
    x = 4,874.55

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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.