Home / 5,455.87-7,528.22-3,065.56

Finding the Fourth Proportional to 5,455.87, 7,528.22 and 3,065.56

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Solution

The fourth proportional to 5,455.87, 7,528.22 and 3,065.56 is: 4,229.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.87 : 7,528.22 = 3,065.56 : x
  2. Step 2: Convert to fraction form
    5,455.87/7,528.22 = 3,065.56/x
  3. Step 3: Cross multiply
    5,455.87x = 7,528.22 × 3,065.56
  4. Step 4: Simplify right side
    5,455.87x = 23,078,194.78
  5. Step 5: Solve for x
    x = 23,078,194.78/5,455.87
  6. Step 6: Final answer
    x = 4,229.98

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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.