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Finding the Fourth Proportional to 7,752.90, 11,629.02 and 3,308.73

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Solution

The fourth proportional to 7,752.90, 11,629.02 and 3,308.73 is: 4,962.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,752.90 : 11,629.02 = 3,308.73 : x
  2. Step 2: Convert to fraction form
    7,752.90/11,629.02 = 3,308.73/x
  3. Step 3: Cross multiply
    7,752.90x = 11,629.02 × 3,308.73
  4. Step 4: Simplify right side
    7,752.90x = 38,477,287.34
  5. Step 5: Solve for x
    x = 38,477,287.34/7,752.90
  6. Step 6: Final answer
    x = 4,962.95

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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.