Home / 7,214.29-10,821.44-1,742.29

Finding the Fourth Proportional to 7,214.29, 10,821.44 and 1,742.29

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Solution

The fourth proportional to 7,214.29, 10,821.44 and 1,742.29 is: 2,613.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.29 : 10,821.44 = 1,742.29 : x
  2. Step 2: Convert to fraction form
    7,214.29/10,821.44 = 1,742.29/x
  3. Step 3: Cross multiply
    7,214.29x = 10,821.44 × 1,742.29
  4. Step 4: Simplify right side
    7,214.29x = 18,854,086.70
  5. Step 5: Solve for x
    x = 18,854,086.70/7,214.29
  6. Step 6: Final answer
    x = 2,613.44

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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.