Home / 7,436.89-11,148.22-2,755.64

Finding the Fourth Proportional to 7,436.89, 11,148.22 and 2,755.64

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Solution

The fourth proportional to 7,436.89, 11,148.22 and 2,755.64 is: 4,130.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.89 : 11,148.22 = 2,755.64 : x
  2. Step 2: Convert to fraction form
    7,436.89/11,148.22 = 2,755.64/x
  3. Step 3: Cross multiply
    7,436.89x = 11,148.22 × 2,755.64
  4. Step 4: Simplify right side
    7,436.89x = 30,720,473.17
  5. Step 5: Solve for x
    x = 30,720,473.17/7,436.89
  6. Step 6: Final answer
    x = 4,130.82

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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.