Home / 8,716.11-13,070.05-3,165.54

Finding the Fourth Proportional to 8,716.11, 13,070.05 and 3,165.54

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Solution

The fourth proportional to 8,716.11, 13,070.05 and 3,165.54 is: 4,746.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.11 : 13,070.05 = 3,165.54 : x
  2. Step 2: Convert to fraction form
    8,716.11/13,070.05 = 3,165.54/x
  3. Step 3: Cross multiply
    8,716.11x = 13,070.05 × 3,165.54
  4. Step 4: Simplify right side
    8,716.11x = 41,373,766.08
  5. Step 5: Solve for x
    x = 41,373,766.08/8,716.11
  6. Step 6: Final answer
    x = 4,746.82

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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.