Home / 6,966.43-9,609.12-4,131.68

Finding the Fourth Proportional to 6,966.43, 9,609.12 and 4,131.68

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Solution

The fourth proportional to 6,966.43, 9,609.12 and 4,131.68 is: 5,699.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,966.43 : 9,609.12 = 4,131.68 : x
  2. Step 2: Convert to fraction form
    6,966.43/9,609.12 = 4,131.68/x
  3. Step 3: Cross multiply
    6,966.43x = 9,609.12 × 4,131.68
  4. Step 4: Simplify right side
    6,966.43x = 39,701,781.42
  5. Step 5: Solve for x
    x = 39,701,781.42/6,966.43
  6. Step 6: Final answer
    x = 5,699.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.