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Finding the Fourth Proportional to 8,049.36, 11,115.72 and 7,613.04

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Solution

The fourth proportional to 8,049.36, 11,115.72 and 7,613.04 is: 10,513.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,049.36 : 11,115.72 = 7,613.04 : x
  2. Step 2: Convert to fraction form
    8,049.36/11,115.72 = 7,613.04/x
  3. Step 3: Cross multiply
    8,049.36x = 11,115.72 × 7,613.04
  4. Step 4: Simplify right side
    8,049.36x = 84,624,420.99
  5. Step 5: Solve for x
    x = 84,624,420.99/8,049.36
  6. Step 6: Final answer
    x = 10,513.19

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Half scale
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Double scale
Find fourth proportional to 8,050.36, 11,117.10 and 7,614.04
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.