Home / 5,525.60-8,288.40-3,192.80

Finding the Fourth Proportional to 5,525.60, 8,288.40 and 3,192.80

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Solution

The fourth proportional to 5,525.60, 8,288.40 and 3,192.80 is: 4,789.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,525.60 : 8,288.40 = 3,192.80 : x
  2. Step 2: Convert to fraction form
    5,525.60/8,288.40 = 3,192.80/x
  3. Step 3: Cross multiply
    5,525.60x = 8,288.40 × 3,192.80
  4. Step 4: Simplify right side
    5,525.60x = 26,463,203.52
  5. Step 5: Solve for x
    x = 26,463,203.52/5,525.60
  6. Step 6: Final answer
    x = 4,789.20

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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.