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Finding the Fourth Proportional to 6,326.64, 9,492.32 and 2,629.20

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Solution

The fourth proportional to 6,326.64, 9,492.32 and 2,629.20 is: 3,944.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,326.64 : 9,492.32 = 2,629.20 : x
  2. Step 2: Convert to fraction form
    6,326.64/9,492.32 = 2,629.20/x
  3. Step 3: Cross multiply
    6,326.64x = 9,492.32 × 2,629.20
  4. Step 4: Simplify right side
    6,326.64x = 24,957,207.74
  5. Step 5: Solve for x
    x = 24,957,207.74/6,326.64
  6. Step 6: Final answer
    x = 3,944.78

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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.