Home / 7,214.06-10,821.09-1,742.06

Finding the Fourth Proportional to 7,214.06, 10,821.09 and 1,742.06

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Solution

The fourth proportional to 7,214.06, 10,821.09 and 1,742.06 is: 2,613.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.06 : 10,821.09 = 1,742.06 : x
  2. Step 2: Convert to fraction form
    7,214.06/10,821.09 = 1,742.06/x
  3. Step 3: Cross multiply
    7,214.06x = 10,821.09 × 1,742.06
  4. Step 4: Simplify right side
    7,214.06x = 18,850,988.05
  5. Step 5: Solve for x
    x = 18,850,988.05/7,214.06
  6. Step 6: Final answer
    x = 2,613.09

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Similar ratio
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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.