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Finding the Fourth Proportional to 7,668.71, 11,503.04 and 3,507.60

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Solution

The fourth proportional to 7,668.71, 11,503.04 and 3,507.60 is: 5,261.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,668.71 : 11,503.04 = 3,507.60 : x
  2. Step 2: Convert to fraction form
    7,668.71/11,503.04 = 3,507.60/x
  3. Step 3: Cross multiply
    7,668.71x = 11,503.04 × 3,507.60
  4. Step 4: Simplify right side
    7,668.71x = 40,348,045.57
  5. Step 5: Solve for x
    x = 40,348,045.57/7,668.71
  6. Step 6: Final answer
    x = 5,261.39

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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.