Home / 7,764.21-11,648.25-2,499.67

Finding the Fourth Proportional to 7,764.21, 11,648.25 and 2,499.67

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Solution

The fourth proportional to 7,764.21, 11,648.25 and 2,499.67 is: 3,750.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.21 : 11,648.25 = 2,499.67 : x
  2. Step 2: Convert to fraction form
    7,764.21/11,648.25 = 2,499.67/x
  3. Step 3: Cross multiply
    7,764.21x = 11,648.25 × 2,499.67
  4. Step 4: Simplify right side
    7,764.21x = 29,116,781.08
  5. Step 5: Solve for x
    x = 29,116,781.08/7,764.21
  6. Step 6: Final answer
    x = 3,750.13

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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.