Home / 6,609.22-9,117.57-3,956.11

Finding the Fourth Proportional to 6,609.22, 9,117.57 and 3,956.11

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Solution

The fourth proportional to 6,609.22, 9,117.57 and 3,956.11 is: 5,457.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.22 : 9,117.57 = 3,956.11 : x
  2. Step 2: Convert to fraction form
    6,609.22/9,117.57 = 3,956.11/x
  3. Step 3: Cross multiply
    6,609.22x = 9,117.57 × 3,956.11
  4. Step 4: Simplify right side
    6,609.22x = 36,070,136.09
  5. Step 5: Solve for x
    x = 36,070,136.09/6,609.22
  6. Step 6: Final answer
    x = 5,457.55

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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.