Home / 7,748.60-11,618.78-3,068.42

Finding the Fourth Proportional to 7,748.60, 11,618.78 and 3,068.42

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Solution

The fourth proportional to 7,748.60, 11,618.78 and 3,068.42 is: 4,600.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.60 : 11,618.78 = 3,068.42 : x
  2. Step 2: Convert to fraction form
    7,748.60/11,618.78 = 3,068.42/x
  3. Step 3: Cross multiply
    7,748.60x = 11,618.78 × 3,068.42
  4. Step 4: Simplify right side
    7,748.60x = 35,651,223.49
  5. Step 5: Solve for x
    x = 35,651,223.49/7,748.60
  6. Step 6: Final answer
    x = 4,600.99

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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.