Home / 7,431.73-11,141.52-2,748.76

Finding the Fourth Proportional to 7,431.73, 11,141.52 and 2,748.76

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Solution

The fourth proportional to 7,431.73, 11,141.52 and 2,748.76 is: 4,120.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.73 : 11,141.52 = 2,748.76 : x
  2. Step 2: Convert to fraction form
    7,431.73/11,141.52 = 2,748.76/x
  3. Step 3: Cross multiply
    7,431.73x = 11,141.52 × 2,748.76
  4. Step 4: Simplify right side
    7,431.73x = 30,625,364.52
  5. Step 5: Solve for x
    x = 30,625,364.52/7,431.73
  6. Step 6: Final answer
    x = 4,120.89

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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.