Home / 6,917.84-10,380.40-4,150.08

Finding the Fourth Proportional to 6,917.84, 10,380.40 and 4,150.08

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Solution

The fourth proportional to 6,917.84, 10,380.40 and 4,150.08 is: 6,227.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.84 : 10,380.40 = 4,150.08 : x
  2. Step 2: Convert to fraction form
    6,917.84/10,380.40 = 4,150.08/x
  3. Step 3: Cross multiply
    6,917.84x = 10,380.40 × 4,150.08
  4. Step 4: Simplify right side
    6,917.84x = 43,079,490.43
  5. Step 5: Solve for x
    x = 43,079,490.43/6,917.84
  6. Step 6: Final answer
    x = 6,227.30

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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.