Home / 7,276.44-10,917.94-3,117.54

Finding the Fourth Proportional to 7,276.44, 10,917.94 and 3,117.54

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Solution

The fourth proportional to 7,276.44, 10,917.94 and 3,117.54 is: 4,677.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,276.44 : 10,917.94 = 3,117.54 : x
  2. Step 2: Convert to fraction form
    7,276.44/10,917.94 = 3,117.54/x
  3. Step 3: Cross multiply
    7,276.44x = 10,917.94 × 3,117.54
  4. Step 4: Simplify right side
    7,276.44x = 34,037,114.67
  5. Step 5: Solve for x
    x = 34,037,114.67/7,276.44
  6. Step 6: Final answer
    x = 4,677.72

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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.