Home / 4,442.40-6,658.74-3,139.92

Finding the Fourth Proportional to 4,442.40, 6,658.74 and 3,139.92

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Solution

The fourth proportional to 4,442.40, 6,658.74 and 3,139.92 is: 4,706.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,442.40 : 6,658.74 = 3,139.92 : x
  2. Step 2: Convert to fraction form
    4,442.40/6,658.74 = 3,139.92/x
  3. Step 3: Cross multiply
    4,442.40x = 6,658.74 × 3,139.92
  4. Step 4: Simplify right side
    4,442.40x = 20,907,910.90
  5. Step 5: Solve for x
    x = 20,907,910.90/4,442.40
  6. Step 6: Final answer
    x = 4,706.44

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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.