Home / 5,513.72-8,272.38-2,225.12

Finding the Fourth Proportional to 5,513.72, 8,272.38 and 2,225.12

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Solution

The fourth proportional to 5,513.72, 8,272.38 and 2,225.12 is: 3,338.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.72 : 8,272.38 = 2,225.12 : x
  2. Step 2: Convert to fraction form
    5,513.72/8,272.38 = 2,225.12/x
  3. Step 3: Cross multiply
    5,513.72x = 8,272.38 × 2,225.12
  4. Step 4: Simplify right side
    5,513.72x = 18,407,038.19
  5. Step 5: Solve for x
    x = 18,407,038.19/5,513.72
  6. Step 6: Final answer
    x = 3,338.41

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Half scale
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Double scale
Find fourth proportional to 5,514.72, 8,273.88 and 2,226.12
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.