Home / 7,431.83-11,152.10-2,755.09

Finding the Fourth Proportional to 7,431.83, 11,152.10 and 2,755.09

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Solution

The fourth proportional to 7,431.83, 11,152.10 and 2,755.09 is: 4,134.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.83 : 11,152.10 = 2,755.09 : x
  2. Step 2: Convert to fraction form
    7,431.83/11,152.10 = 2,755.09/x
  3. Step 3: Cross multiply
    7,431.83x = 11,152.10 × 2,755.09
  4. Step 4: Simplify right side
    7,431.83x = 30,725,060.02
  5. Step 5: Solve for x
    x = 30,725,060.02/7,431.83
  6. Step 6: Final answer
    x = 4,134.25

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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.