Home / 6,928.61-10,390.22-2,247.90

Finding the Fourth Proportional to 6,928.61, 10,390.22 and 2,247.90

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Solution

The fourth proportional to 6,928.61, 10,390.22 and 2,247.90 is: 3,370.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.61 : 10,390.22 = 2,247.90 : x
  2. Step 2: Convert to fraction form
    6,928.61/10,390.22 = 2,247.90/x
  3. Step 3: Cross multiply
    6,928.61x = 10,390.22 × 2,247.90
  4. Step 4: Simplify right side
    6,928.61x = 23,356,204.85
  5. Step 5: Solve for x
    x = 23,356,204.85/6,928.61
  6. Step 6: Final answer
    x = 3,370.98

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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.