Home / 7,890.96-11,838.12-2,344.56

Finding the Fourth Proportional to 7,890.96, 11,838.12 and 2,344.56

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Solution

The fourth proportional to 7,890.96, 11,838.12 and 2,344.56 is: 3,517.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890.96 : 11,838.12 = 2,344.56 : x
  2. Step 2: Convert to fraction form
    7,890.96/11,838.12 = 2,344.56/x
  3. Step 3: Cross multiply
    7,890.96x = 11,838.12 × 2,344.56
  4. Step 4: Simplify right side
    7,890.96x = 27,755,182.63
  5. Step 5: Solve for x
    x = 27,755,182.63/7,890.96
  6. Step 6: Final answer
    x = 3,517.34

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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.