Home / 6,320.45-8,716.97-4,745.81

Finding the Fourth Proportional to 6,320.45, 8,716.97 and 4,745.81

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Solution

The fourth proportional to 6,320.45, 8,716.97 and 4,745.81 is: 6,545.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.45 : 8,716.97 = 4,745.81 : x
  2. Step 2: Convert to fraction form
    6,320.45/8,716.97 = 4,745.81/x
  3. Step 3: Cross multiply
    6,320.45x = 8,716.97 × 4,745.81
  4. Step 4: Simplify right side
    6,320.45x = 41,369,049.74
  5. Step 5: Solve for x
    x = 41,369,049.74/6,320.45
  6. Step 6: Final answer
    x = 6,545.27

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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.