Home / 9,213.27-12,714.33-5,235.69

Finding the Fourth Proportional to 9,213.27, 12,714.33 and 5,235.69

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Solution

The fourth proportional to 9,213.27, 12,714.33 and 5,235.69 is: 7,225.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.27 : 12,714.33 = 5,235.69 : x
  2. Step 2: Convert to fraction form
    9,213.27/12,714.33 = 5,235.69/x
  3. Step 3: Cross multiply
    9,213.27x = 12,714.33 × 5,235.69
  4. Step 4: Simplify right side
    9,213.27x = 66,568,290.44
  5. Step 5: Solve for x
    x = 66,568,290.44/9,213.27
  6. Step 6: Final answer
    x = 7,225.26

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Half scale
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Double scale
Find fourth proportional to 9,214.27, 12,715.71 and 5,236.69
Similar ratio
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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.