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Finding the Fourth Proportional to 6,296.88, 8,689.64 and 3,502.32

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Solution

The fourth proportional to 6,296.88, 8,689.64 and 3,502.32 is: 4,833.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,296.88 : 8,689.64 = 3,502.32 : x
  2. Step 2: Convert to fraction form
    6,296.88/8,689.64 = 3,502.32/x
  3. Step 3: Cross multiply
    6,296.88x = 8,689.64 × 3,502.32
  4. Step 4: Simplify right side
    6,296.88x = 30,433,899.96
  5. Step 5: Solve for x
    x = 30,433,899.96/6,296.88
  6. Step 6: Final answer
    x = 4,833.17

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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.