Home / 7,188.45-10,776.26-2,804.89

Finding the Fourth Proportional to 7,188.45, 10,776.26 and 2,804.89

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Solution

The fourth proportional to 7,188.45, 10,776.26 and 2,804.89 is: 4,204.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188.45 : 10,776.26 = 2,804.89 : x
  2. Step 2: Convert to fraction form
    7,188.45/10,776.26 = 2,804.89/x
  3. Step 3: Cross multiply
    7,188.45x = 10,776.26 × 2,804.89
  4. Step 4: Simplify right side
    7,188.45x = 30,226,203.98
  5. Step 5: Solve for x
    x = 30,226,203.98/7,188.45
  6. Step 6: Final answer
    x = 4,204.83

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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.