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Finding the Fourth Proportional to 6,681.40, 10,016.76 and 3,169.64

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Solution

The fourth proportional to 6,681.40, 10,016.76 and 3,169.64 is: 4,751.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,681.40 : 10,016.76 = 3,169.64 : x
  2. Step 2: Convert to fraction form
    6,681.40/10,016.76 = 3,169.64/x
  3. Step 3: Cross multiply
    6,681.40x = 10,016.76 × 3,169.64
  4. Step 4: Simplify right side
    6,681.40x = 31,749,523.17
  5. Step 5: Solve for x
    x = 31,749,523.17/6,681.40
  6. Step 6: Final answer
    x = 4,751.93

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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.