Home / 7,627.07-11,423.94-3,171.23

Finding the Fourth Proportional to 7,627.07, 11,423.94 and 3,171.23

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Solution

The fourth proportional to 7,627.07, 11,423.94 and 3,171.23 is: 4,749.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,627.07 : 11,423.94 = 3,171.23 : x
  2. Step 2: Convert to fraction form
    7,627.07/11,423.94 = 3,171.23/x
  3. Step 3: Cross multiply
    7,627.07x = 11,423.94 × 3,171.23
  4. Step 4: Simplify right side
    7,627.07x = 36,227,941.25
  5. Step 5: Solve for x
    x = 36,227,941.25/7,627.07
  6. Step 6: Final answer
    x = 4,749.92

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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.