Home / 7,422.03-11,134.40-2,491.70

Finding the Fourth Proportional to 7,422.03, 11,134.40 and 2,491.70

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Solution

The fourth proportional to 7,422.03, 11,134.40 and 2,491.70 is: 3,738.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.03 : 11,134.40 = 2,491.70 : x
  2. Step 2: Convert to fraction form
    7,422.03/11,134.40 = 2,491.70/x
  3. Step 3: Cross multiply
    7,422.03x = 11,134.40 × 2,491.70
  4. Step 4: Simplify right side
    7,422.03x = 27,743,516.35
  5. Step 5: Solve for x
    x = 27,743,516.35/7,422.03
  6. Step 6: Final answer
    x = 3,738.00

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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.