Home / 8,646.20-11,906.64-7,511.35

Finding the Fourth Proportional to 8,646.20, 11,906.64 and 7,511.35

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Solution

The fourth proportional to 8,646.20, 11,906.64 and 7,511.35 is: 10,343.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,646.20 : 11,906.64 = 7,511.35 : x
  2. Step 2: Convert to fraction form
    8,646.20/11,906.64 = 7,511.35/x
  3. Step 3: Cross multiply
    8,646.20x = 11,906.64 × 7,511.35
  4. Step 4: Simplify right side
    8,646.20x = 89,434,910.60
  5. Step 5: Solve for x
    x = 89,434,910.60/8,646.20
  6. Step 6: Final answer
    x = 10,343.85

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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.