Home / 7,440.70-11,153.26-2,508.64

Finding the Fourth Proportional to 7,440.70, 11,153.26 and 2,508.64

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Solution

The fourth proportional to 7,440.70, 11,153.26 and 2,508.64 is: 3,760.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.70 : 11,153.26 = 2,508.64 : x
  2. Step 2: Convert to fraction form
    7,440.70/11,153.26 = 2,508.64/x
  3. Step 3: Cross multiply
    7,440.70x = 11,153.26 × 2,508.64
  4. Step 4: Simplify right side
    7,440.70x = 27,979,514.17
  5. Step 5: Solve for x
    x = 27,979,514.17/7,440.70
  6. Step 6: Final answer
    x = 3,760.33

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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.