Home / 5,543.45-8,317.78-2,770.34

Finding the Fourth Proportional to 5,543.45, 8,317.78 and 2,770.34

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Solution

The fourth proportional to 5,543.45, 8,317.78 and 2,770.34 is: 4,156.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,543.45 : 8,317.78 = 2,770.34 : x
  2. Step 2: Convert to fraction form
    5,543.45/8,317.78 = 2,770.34/x
  3. Step 3: Cross multiply
    5,543.45x = 8,317.78 × 2,770.34
  4. Step 4: Simplify right side
    5,543.45x = 23,043,078.65
  5. Step 5: Solve for x
    x = 23,043,078.65/5,543.45
  6. Step 6: Final answer
    x = 4,156.82

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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.