Home / 6,639.04-9,961.92-4,173.44

Finding the Fourth Proportional to 6,639.04, 9,961.92 and 4,173.44

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Solution

The fourth proportional to 6,639.04, 9,961.92 and 4,173.44 is: 6,262.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.04 : 9,961.92 = 4,173.44 : x
  2. Step 2: Convert to fraction form
    6,639.04/9,961.92 = 4,173.44/x
  3. Step 3: Cross multiply
    6,639.04x = 9,961.92 × 4,173.44
  4. Step 4: Simplify right side
    6,639.04x = 41,575,475.40
  5. Step 5: Solve for x
    x = 41,575,475.40/6,639.04
  6. Step 6: Final answer
    x = 6,262.27

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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.