Home / 7,478.22-11,216.92-2,283.69

Finding the Fourth Proportional to 7,478.22, 11,216.92 and 2,283.69

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Solution

The fourth proportional to 7,478.22, 11,216.92 and 2,283.69 is: 3,425.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478.22 : 11,216.92 = 2,283.69 : x
  2. Step 2: Convert to fraction form
    7,478.22/11,216.92 = 2,283.69/x
  3. Step 3: Cross multiply
    7,478.22x = 11,216.92 × 2,283.69
  4. Step 4: Simplify right side
    7,478.22x = 25,615,968.03
  5. Step 5: Solve for x
    x = 25,615,968.03/7,478.22
  6. Step 6: Final answer
    x = 3,425.41

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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.