Home / 5,570.55-7,687.38-3,212.70

Finding the Fourth Proportional to 5,570.55, 7,687.38 and 3,212.70

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Solution

The fourth proportional to 5,570.55, 7,687.38 and 3,212.70 is: 4,433.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.55 : 7,687.38 = 3,212.70 : x
  2. Step 2: Convert to fraction form
    5,570.55/7,687.38 = 3,212.70/x
  3. Step 3: Cross multiply
    5,570.55x = 7,687.38 × 3,212.70
  4. Step 4: Simplify right side
    5,570.55x = 24,697,245.73
  5. Step 5: Solve for x
    x = 24,697,245.73/5,570.55
  6. Step 6: Final answer
    x = 4,433.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.