Home / 5,747.30-8,608.80-3,280.86

Finding the Fourth Proportional to 5,747.30, 8,608.80 and 3,280.86

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Solution

The fourth proportional to 5,747.30, 8,608.80 and 3,280.86 is: 4,914.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,747.30 : 8,608.80 = 3,280.86 : x
  2. Step 2: Convert to fraction form
    5,747.30/8,608.80 = 3,280.86/x
  3. Step 3: Cross multiply
    5,747.30x = 8,608.80 × 3,280.86
  4. Step 4: Simplify right side
    5,747.30x = 28,244,267.57
  5. Step 5: Solve for x
    x = 28,244,267.57/5,747.30
  6. Step 6: Final answer
    x = 4,914.35

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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.