Home / 8,338.75-12,511.63-3,656.34

Finding the Fourth Proportional to 8,338.75, 12,511.63 and 3,656.34

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Solution

The fourth proportional to 8,338.75, 12,511.63 and 3,656.34 is: 5,486.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,338.75 : 12,511.63 = 3,656.34 : x
  2. Step 2: Convert to fraction form
    8,338.75/12,511.63 = 3,656.34/x
  3. Step 3: Cross multiply
    8,338.75x = 12,511.63 × 3,656.34
  4. Step 4: Simplify right side
    8,338.75x = 45,746,773.23
  5. Step 5: Solve for x
    x = 45,746,773.23/8,338.75
  6. Step 6: Final answer
    x = 5,486.05

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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.