Home / 7,938.84-11,906.82-4,240.92

Finding the Fourth Proportional to 7,938.84, 11,906.82 and 4,240.92

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Solution

The fourth proportional to 7,938.84, 11,906.82 and 4,240.92 is: 6,360.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.84 : 11,906.82 = 4,240.92 : x
  2. Step 2: Convert to fraction form
    7,938.84/11,906.82 = 4,240.92/x
  3. Step 3: Cross multiply
    7,938.84x = 11,906.82 × 4,240.92
  4. Step 4: Simplify right side
    7,938.84x = 50,495,871.07
  5. Step 5: Solve for x
    x = 50,495,871.07/7,938.84
  6. Step 6: Final answer
    x = 6,360.61

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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.