Home / 7,628.72-11,432.14-4,334.85

Finding the Fourth Proportional to 7,628.72, 11,432.14 and 4,334.85

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Solution

The fourth proportional to 7,628.72, 11,432.14 and 4,334.85 is: 6,496.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628.72 : 11,432.14 = 4,334.85 : x
  2. Step 2: Convert to fraction form
    7,628.72/11,432.14 = 4,334.85/x
  3. Step 3: Cross multiply
    7,628.72x = 11,432.14 × 4,334.85
  4. Step 4: Simplify right side
    7,628.72x = 49,556,601.24
  5. Step 5: Solve for x
    x = 49,556,601.24/7,628.72
  6. Step 6: Final answer
    x = 6,496.06

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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.