Home / 7,338.47-11,008.71-2,408.60

Finding the Fourth Proportional to 7,338.47, 11,008.71 and 2,408.60

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Solution

The fourth proportional to 7,338.47, 11,008.71 and 2,408.60 is: 3,613.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.47 : 11,008.71 = 2,408.60 : x
  2. Step 2: Convert to fraction form
    7,338.47/11,008.71 = 2,408.60/x
  3. Step 3: Cross multiply
    7,338.47x = 11,008.71 × 2,408.60
  4. Step 4: Simplify right side
    7,338.47x = 26,515,606.43
  5. Step 5: Solve for x
    x = 26,515,606.43/7,338.47
  6. Step 6: Final answer
    x = 3,613.24

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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.