Home / 7,745.28-10,684-4,600.86

Finding the Fourth Proportional to 7,745.28, 10,684 and 4,600.86

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Solution

The fourth proportional to 7,745.28, 10,684 and 4,600.86 is: 6,346.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.28 : 10,684 = 4,600.86 : x
  2. Step 2: Convert to fraction form
    7,745.28/10,684 = 4,600.86/x
  3. Step 3: Cross multiply
    7,745.28x = 10,684 × 4,600.86
  4. Step 4: Simplify right side
    7,745.28x = 49,155,588.24
  5. Step 5: Solve for x
    x = 49,155,588.24/7,745.28
  6. Step 6: Final answer
    x = 6,346.52

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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.