Home / 8,290.55-11,441.21-4,513.96

Finding the Fourth Proportional to 8,290.55, 11,441.21 and 4,513.96

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Solution

The fourth proportional to 8,290.55, 11,441.21 and 4,513.96 is: 6,229.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290.55 : 11,441.21 = 4,513.96 : x
  2. Step 2: Convert to fraction form
    8,290.55/11,441.21 = 4,513.96/x
  3. Step 3: Cross multiply
    8,290.55x = 11,441.21 × 4,513.96
  4. Step 4: Simplify right side
    8,290.55x = 51,645,141.72
  5. Step 5: Solve for x
    x = 51,645,141.72/8,290.55
  6. Step 6: Final answer
    x = 6,229.40

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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.