Home / 7,709.76-11,566.45-2,515.63

Finding the Fourth Proportional to 7,709.76, 11,566.45 and 2,515.63

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Solution

The fourth proportional to 7,709.76, 11,566.45 and 2,515.63 is: 3,774.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,709.76 : 11,566.45 = 2,515.63 : x
  2. Step 2: Convert to fraction form
    7,709.76/11,566.45 = 2,515.63/x
  3. Step 3: Cross multiply
    7,709.76x = 11,566.45 × 2,515.63
  4. Step 4: Simplify right side
    7,709.76x = 29,096,844.49
  5. Step 5: Solve for x
    x = 29,096,844.49/7,709.76
  6. Step 6: Final answer
    x = 3,774.03

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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.