Home / 8,130.03-12,195.09-2,286.69

Finding the Fourth Proportional to 8,130.03, 12,195.09 and 2,286.69

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Solution

The fourth proportional to 8,130.03, 12,195.09 and 2,286.69 is: 3,430.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.03 : 12,195.09 = 2,286.69 : x
  2. Step 2: Convert to fraction form
    8,130.03/12,195.09 = 2,286.69/x
  3. Step 3: Cross multiply
    8,130.03x = 12,195.09 × 2,286.69
  4. Step 4: Simplify right side
    8,130.03x = 27,886,390.35
  5. Step 5: Solve for x
    x = 27,886,390.35/8,130.03
  6. Step 6: Final answer
    x = 3,430.05

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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.