Home / 7,899.47-11,845.24-2,632.62

Finding the Fourth Proportional to 7,899.47, 11,845.24 and 2,632.62

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Solution

The fourth proportional to 7,899.47, 11,845.24 and 2,632.62 is: 3,947.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.47 : 11,845.24 = 2,632.62 : x
  2. Step 2: Convert to fraction form
    7,899.47/11,845.24 = 2,632.62/x
  3. Step 3: Cross multiply
    7,899.47x = 11,845.24 × 2,632.62
  4. Step 4: Simplify right side
    7,899.47x = 31,183,986.94
  5. Step 5: Solve for x
    x = 31,183,986.94/7,899.47
  6. Step 6: Final answer
    x = 3,947.60

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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.