Home / 5,515.45-8,276.01-3,049.81

Finding the Fourth Proportional to 5,515.45, 8,276.01 and 3,049.81

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Solution

The fourth proportional to 5,515.45, 8,276.01 and 3,049.81 is: 4,576.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.45 : 8,276.01 = 3,049.81 : x
  2. Step 2: Convert to fraction form
    5,515.45/8,276.01 = 3,049.81/x
  3. Step 3: Cross multiply
    5,515.45x = 8,276.01 × 3,049.81
  4. Step 4: Simplify right side
    5,515.45x = 25,240,258.06
  5. Step 5: Solve for x
    x = 25,240,258.06/5,515.45
  6. Step 6: Final answer
    x = 4,576.28

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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.