Home / 7,992.40-11,028.91-4,635.67

Finding the Fourth Proportional to 7,992.40, 11,028.91 and 4,635.67

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Solution

The fourth proportional to 7,992.40, 11,028.91 and 4,635.67 is: 6,396.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.40 : 11,028.91 = 4,635.67 : x
  2. Step 2: Convert to fraction form
    7,992.40/11,028.91 = 4,635.67/x
  3. Step 3: Cross multiply
    7,992.40x = 11,028.91 × 4,635.67
  4. Step 4: Simplify right side
    7,992.40x = 51,126,387.22
  5. Step 5: Solve for x
    x = 51,126,387.22/7,992.40
  6. Step 6: Final answer
    x = 6,396.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.