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Finding the Fourth Proportional to 6,928.07, 9,550.61 and 5,512.29

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Solution

The fourth proportional to 6,928.07, 9,550.61 and 5,512.29 is: 7,598.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.07 : 9,550.61 = 5,512.29 : x
  2. Step 2: Convert to fraction form
    6,928.07/9,550.61 = 5,512.29/x
  3. Step 3: Cross multiply
    6,928.07x = 9,550.61 × 5,512.29
  4. Step 4: Simplify right side
    6,928.07x = 52,645,704.44
  5. Step 5: Solve for x
    x = 52,645,704.44/6,928.07
  6. Step 6: Final answer
    x = 7,598.90

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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.