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Finding the Fourth Proportional to 6,668.94, 10,004.40 and 3,548.16

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Solution

The fourth proportional to 6,668.94, 10,004.40 and 3,548.16 is: 5,322.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,668.94 : 10,004.40 = 3,548.16 : x
  2. Step 2: Convert to fraction form
    6,668.94/10,004.40 = 3,548.16/x
  3. Step 3: Cross multiply
    6,668.94x = 10,004.40 × 3,548.16
  4. Step 4: Simplify right side
    6,668.94x = 35,497,211.90
  5. Step 5: Solve for x
    x = 35,497,211.90/6,668.94
  6. Step 6: Final answer
    x = 5,322.77

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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.