Home / 7,845.17-11,766.83-2,913.48

Finding the Fourth Proportional to 7,845.17, 11,766.83 and 2,913.48

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Solution

The fourth proportional to 7,845.17, 11,766.83 and 2,913.48 is: 4,369.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.17 : 11,766.83 = 2,913.48 : x
  2. Step 2: Convert to fraction form
    7,845.17/11,766.83 = 2,913.48/x
  3. Step 3: Cross multiply
    7,845.17x = 11,766.83 × 2,913.48
  4. Step 4: Simplify right side
    7,845.17x = 34,282,409.30
  5. Step 5: Solve for x
    x = 34,282,409.30/7,845.17
  6. Step 6: Final answer
    x = 4,369.88

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1.5x scale

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.