Home / 7,449.71-11,176.41-2,255.60

Finding the Fourth Proportional to 7,449.71, 11,176.41 and 2,255.60

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Solution

The fourth proportional to 7,449.71, 11,176.41 and 2,255.60 is: 3,383.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.71 : 11,176.41 = 2,255.60 : x
  2. Step 2: Convert to fraction form
    7,449.71/11,176.41 = 2,255.60/x
  3. Step 3: Cross multiply
    7,449.71x = 11,176.41 × 2,255.60
  4. Step 4: Simplify right side
    7,449.71x = 25,209,510.40
  5. Step 5: Solve for x
    x = 25,209,510.40/7,449.71
  6. Step 6: Final answer
    x = 3,383.96

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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.