Home / 5,523.60-8,285.40-3,190.80

Finding the Fourth Proportional to 5,523.60, 8,285.40 and 3,190.80

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Solution

The fourth proportional to 5,523.60, 8,285.40 and 3,190.80 is: 4,786.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,523.60 : 8,285.40 = 3,190.80 : x
  2. Step 2: Convert to fraction form
    5,523.60/8,285.40 = 3,190.80/x
  3. Step 3: Cross multiply
    5,523.60x = 8,285.40 × 3,190.80
  4. Step 4: Simplify right side
    5,523.60x = 26,437,054.32
  5. Step 5: Solve for x
    x = 26,437,054.32/5,523.60
  6. Step 6: Final answer
    x = 4,786.20

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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.