Home / 4,479.38-6,706.39-3,423.98

Finding the Fourth Proportional to 4,479.38, 6,706.39 and 3,423.98

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Solution

The fourth proportional to 4,479.38, 6,706.39 and 3,423.98 is: 5,126.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.38 : 6,706.39 = 3,423.98 : x
  2. Step 2: Convert to fraction form
    4,479.38/6,706.39 = 3,423.98/x
  3. Step 3: Cross multiply
    4,479.38x = 6,706.39 × 3,423.98
  4. Step 4: Simplify right side
    4,479.38x = 22,962,545.23
  5. Step 5: Solve for x
    x = 22,962,545.23/4,479.38
  6. Step 6: Final answer
    x = 5,126.28

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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.