Home / 8,151.84-12,225.60-3,767.04

Finding the Fourth Proportional to 8,151.84, 12,225.60 and 3,767.04

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Solution

The fourth proportional to 8,151.84, 12,225.60 and 3,767.04 is: 5,649.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.84 : 12,225.60 = 3,767.04 : x
  2. Step 2: Convert to fraction form
    8,151.84/12,225.60 = 3,767.04/x
  3. Step 3: Cross multiply
    8,151.84x = 12,225.60 × 3,767.04
  4. Step 4: Simplify right side
    8,151.84x = 46,054,324.22
  5. Step 5: Solve for x
    x = 46,054,324.22/8,151.84
  6. Step 6: Final answer
    x = 5,649.56

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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.