Home / 5,586.80-8,385.60-3,399.80

Finding the Fourth Proportional to 5,586.80, 8,385.60 and 3,399.80

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Solution

The fourth proportional to 5,586.80, 8,385.60 and 3,399.80 is: 5,102.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,586.80 : 8,385.60 = 3,399.80 : x
  2. Step 2: Convert to fraction form
    5,586.80/8,385.60 = 3,399.80/x
  3. Step 3: Cross multiply
    5,586.80x = 8,385.60 × 3,399.80
  4. Step 4: Simplify right side
    5,586.80x = 28,509,362.88
  5. Step 5: Solve for x
    x = 28,509,362.88/5,586.80
  6. Step 6: Final answer
    x = 5,102.99

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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.