Home / 6,299.08-8,691.78-3,646.75

Finding the Fourth Proportional to 6,299.08, 8,691.78 and 3,646.75

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Solution

The fourth proportional to 6,299.08, 8,691.78 and 3,646.75 is: 5,031.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,299.08 : 8,691.78 = 3,646.75 : x
  2. Step 2: Convert to fraction form
    6,299.08/8,691.78 = 3,646.75/x
  3. Step 3: Cross multiply
    6,299.08x = 8,691.78 × 3,646.75
  4. Step 4: Simplify right side
    6,299.08x = 31,696,748.72
  5. Step 5: Solve for x
    x = 31,696,748.72/6,299.08
  6. Step 6: Final answer
    x = 5,031.96

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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.