Home / 8,152.08-12,228.12-3,768.72

Finding the Fourth Proportional to 8,152.08, 12,228.12 and 3,768.72

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Solution

The fourth proportional to 8,152.08, 12,228.12 and 3,768.72 is: 5,653.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,152.08 : 12,228.12 = 3,768.72 : x
  2. Step 2: Convert to fraction form
    8,152.08/12,228.12 = 3,768.72/x
  3. Step 3: Cross multiply
    8,152.08x = 12,228.12 × 3,768.72
  4. Step 4: Simplify right side
    8,152.08x = 46,084,360.41
  5. Step 5: Solve for x
    x = 46,084,360.41/8,152.08
  6. Step 6: Final answer
    x = 5,653.08

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Half scale
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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.