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Finding the Fourth Proportional to 6,144.52, 8,477.04 and 3,455.13

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Solution

The fourth proportional to 6,144.52, 8,477.04 and 3,455.13 is: 4,766.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,144.52 : 8,477.04 = 3,455.13 : x
  2. Step 2: Convert to fraction form
    6,144.52/8,477.04 = 3,455.13/x
  3. Step 3: Cross multiply
    6,144.52x = 8,477.04 × 3,455.13
  4. Step 4: Simplify right side
    6,144.52x = 29,289,275.22
  5. Step 5: Solve for x
    x = 29,289,275.22/6,144.52
  6. Step 6: Final answer
    x = 4,766.73

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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.