Home / 4,478.94-6,688.23-3,658.84

Finding the Fourth Proportional to 4,478.94, 6,688.23 and 3,658.84

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Solution

The fourth proportional to 4,478.94, 6,688.23 and 3,658.84 is: 5,463.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.94 : 6,688.23 = 3,658.84 : x
  2. Step 2: Convert to fraction form
    4,478.94/6,688.23 = 3,658.84/x
  3. Step 3: Cross multiply
    4,478.94x = 6,688.23 × 3,658.84
  4. Step 4: Simplify right side
    4,478.94x = 24,471,163.45
  5. Step 5: Solve for x
    x = 24,471,163.45/4,478.94
  6. Step 6: Final answer
    x = 5,463.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.