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Finding the Fourth Proportional to 6,153.69, 8,492.09 and 3,797.20

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Solution

The fourth proportional to 6,153.69, 8,492.09 and 3,797.20 is: 5,240.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,153.69 : 8,492.09 = 3,797.20 : x
  2. Step 2: Convert to fraction form
    6,153.69/8,492.09 = 3,797.20/x
  3. Step 3: Cross multiply
    6,153.69x = 8,492.09 × 3,797.20
  4. Step 4: Simplify right side
    6,153.69x = 32,246,131.18
  5. Step 5: Solve for x
    x = 32,246,131.18/6,153.69
  6. Step 6: Final answer
    x = 5,240.13

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Half scale
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Double scale
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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.