Home / 7,188.10-10,776.96-2,255.08

Finding the Fourth Proportional to 7,188.10, 10,776.96 and 2,255.08

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Solution

The fourth proportional to 7,188.10, 10,776.96 and 2,255.08 is: 3,380.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188.10 : 10,776.96 = 2,255.08 : x
  2. Step 2: Convert to fraction form
    7,188.10/10,776.96 = 2,255.08/x
  3. Step 3: Cross multiply
    7,188.10x = 10,776.96 × 2,255.08
  4. Step 4: Simplify right side
    7,188.10x = 24,302,906.96
  5. Step 5: Solve for x
    x = 24,302,906.96/7,188.10
  6. Step 6: Final answer
    x = 3,380.99

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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.