Home / 7,656.50-11,487.48-3,763.64

Finding the Fourth Proportional to 7,656.50, 11,487.48 and 3,763.64

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Solution

The fourth proportional to 7,656.50, 11,487.48 and 3,763.64 is: 5,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,656.50 : 11,487.48 = 3,763.64 : x
  2. Step 2: Convert to fraction form
    7,656.50/11,487.48 = 3,763.64/x
  3. Step 3: Cross multiply
    7,656.50x = 11,487.48 × 3,763.64
  4. Step 4: Simplify right side
    7,656.50x = 43,234,739.23
  5. Step 5: Solve for x
    x = 43,234,739.23/7,656.50
  6. Step 6: Final answer
    x = 5,646.80

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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.