Home / 6,517.26-8,991.36-4,280.36

Finding the Fourth Proportional to 6,517.26, 8,991.36 and 4,280.36

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Solution

The fourth proportional to 6,517.26, 8,991.36 and 4,280.36 is: 5,905.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,517.26 : 8,991.36 = 4,280.36 : x
  2. Step 2: Convert to fraction form
    6,517.26/8,991.36 = 4,280.36/x
  3. Step 3: Cross multiply
    6,517.26x = 8,991.36 × 4,280.36
  4. Step 4: Simplify right side
    6,517.26x = 38,486,212.73
  5. Step 5: Solve for x
    x = 38,486,212.73/6,517.26
  6. Step 6: Final answer
    x = 5,905.28

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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.