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Finding the Fourth Proportional to 6,962.11, 9,609.56 and 4,308.01

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Solution

The fourth proportional to 6,962.11, 9,609.56 and 4,308.01 is: 5,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,962.11 : 9,609.56 = 4,308.01 : x
  2. Step 2: Convert to fraction form
    6,962.11/9,609.56 = 4,308.01/x
  3. Step 3: Cross multiply
    6,962.11x = 9,609.56 × 4,308.01
  4. Step 4: Simplify right side
    6,962.11x = 41,398,080.58
  5. Step 5: Solve for x
    x = 41,398,080.58/6,962.11
  6. Step 6: Final answer
    x = 5,946.20

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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.