Home / 7,485.96-11,228.94-3,591.48

Finding the Fourth Proportional to 7,485.96, 11,228.94 and 3,591.48

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Solution

The fourth proportional to 7,485.96, 11,228.94 and 3,591.48 is: 5,387.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.96 : 11,228.94 = 3,591.48 : x
  2. Step 2: Convert to fraction form
    7,485.96/11,228.94 = 3,591.48/x
  3. Step 3: Cross multiply
    7,485.96x = 11,228.94 × 3,591.48
  4. Step 4: Simplify right side
    7,485.96x = 40,328,513.43
  5. Step 5: Solve for x
    x = 40,328,513.43/7,485.96
  6. Step 6: Final answer
    x = 5,387.22

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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.