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Finding the Fourth Proportional to 7,668.64, 11,502.95 and 2,404.06

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Solution

The fourth proportional to 7,668.64, 11,502.95 and 2,404.06 is: 3,606.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,668.64 : 11,502.95 = 2,404.06 : x
  2. Step 2: Convert to fraction form
    7,668.64/11,502.95 = 2,404.06/x
  3. Step 3: Cross multiply
    7,668.64x = 11,502.95 × 2,404.06
  4. Step 4: Simplify right side
    7,668.64x = 27,653,781.98
  5. Step 5: Solve for x
    x = 27,653,781.98/7,668.64
  6. Step 6: Final answer
    x = 3,606.09

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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.