Home / 7,742.40-11,604.24-3,576.72

Finding the Fourth Proportional to 7,742.40, 11,604.24 and 3,576.72

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Solution

The fourth proportional to 7,742.40, 11,604.24 and 3,576.72 is: 5,360.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.40 : 11,604.24 = 3,576.72 : x
  2. Step 2: Convert to fraction form
    7,742.40/11,604.24 = 3,576.72/x
  3. Step 3: Cross multiply
    7,742.40x = 11,604.24 × 3,576.72
  4. Step 4: Simplify right side
    7,742.40x = 41,505,117.29
  5. Step 5: Solve for x
    x = 41,505,117.29/7,742.40
  6. Step 6: Final answer
    x = 5,360.76

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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.