Home / 7,654.05-11,476.96-3,147.15

Finding the Fourth Proportional to 7,654.05, 11,476.96 and 3,147.15

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Solution

The fourth proportional to 7,654.05, 11,476.96 and 3,147.15 is: 4,719.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,654.05 : 11,476.96 = 3,147.15 : x
  2. Step 2: Convert to fraction form
    7,654.05/11,476.96 = 3,147.15/x
  3. Step 3: Cross multiply
    7,654.05x = 11,476.96 × 3,147.15
  4. Step 4: Simplify right side
    7,654.05x = 36,119,714.66
  5. Step 5: Solve for x
    x = 36,119,714.66/7,654.05
  6. Step 6: Final answer
    x = 4,719.03

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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.