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Finding the Fourth Proportional to 6,330.88, 8,736.46 and 3,498.48

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Solution

The fourth proportional to 6,330.88, 8,736.46 and 3,498.48 is: 4,827.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,330.88 : 8,736.46 = 3,498.48 : x
  2. Step 2: Convert to fraction form
    6,330.88/8,736.46 = 3,498.48/x
  3. Step 3: Cross multiply
    6,330.88x = 8,736.46 × 3,498.48
  4. Step 4: Simplify right side
    6,330.88x = 30,564,330.58
  5. Step 5: Solve for x
    x = 30,564,330.58/6,330.88
  6. Step 6: Final answer
    x = 4,827.82

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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.