Home / 7,584.73-11,371.69-2,900.78

Finding the Fourth Proportional to 7,584.73, 11,371.69 and 2,900.78

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Solution

The fourth proportional to 7,584.73, 11,371.69 and 2,900.78 is: 4,349.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,584.73 : 11,371.69 = 2,900.78 : x
  2. Step 2: Convert to fraction form
    7,584.73/11,371.69 = 2,900.78/x
  3. Step 3: Cross multiply
    7,584.73x = 11,371.69 × 2,900.78
  4. Step 4: Simplify right side
    7,584.73x = 32,986,770.92
  5. Step 5: Solve for x
    x = 32,986,770.92/7,584.73
  6. Step 6: Final answer
    x = 4,349.10

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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.