Home / 9,336.58-12,884.40-5,144.80

Finding the Fourth Proportional to 9,336.58, 12,884.40 and 5,144.80

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Solution

The fourth proportional to 9,336.58, 12,884.40 and 5,144.80 is: 7,099.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,336.58 : 12,884.40 = 5,144.80 : x
  2. Step 2: Convert to fraction form
    9,336.58/12,884.40 = 5,144.80/x
  3. Step 3: Cross multiply
    9,336.58x = 12,884.40 × 5,144.80
  4. Step 4: Simplify right side
    9,336.58x = 66,287,661.12
  5. Step 5: Solve for x
    x = 66,287,661.12/9,336.58
  6. Step 6: Final answer
    x = 7,099.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.