Home / 7,341.41-11,012.12-2,147.29

Finding the Fourth Proportional to 7,341.41, 11,012.12 and 2,147.29

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Solution

The fourth proportional to 7,341.41, 11,012.12 and 2,147.29 is: 3,220.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341.41 : 11,012.12 = 2,147.29 : x
  2. Step 2: Convert to fraction form
    7,341.41/11,012.12 = 2,147.29/x
  3. Step 3: Cross multiply
    7,341.41x = 11,012.12 × 2,147.29
  4. Step 4: Simplify right side
    7,341.41x = 23,646,215.15
  5. Step 5: Solve for x
    x = 23,646,215.15/7,341.41
  6. Step 6: Final answer
    x = 3,220.94

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Double scale
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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.