Home / 4,431.68-6,643.98-2,209.04

Finding the Fourth Proportional to 4,431.68, 6,643.98 and 2,209.04

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Solution

The fourth proportional to 4,431.68, 6,643.98 and 2,209.04 is: 3,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.68 : 6,643.98 = 2,209.04 : x
  2. Step 2: Convert to fraction form
    4,431.68/6,643.98 = 2,209.04/x
  3. Step 3: Cross multiply
    4,431.68x = 6,643.98 × 2,209.04
  4. Step 4: Simplify right side
    4,431.68x = 14,676,817.58
  5. Step 5: Solve for x
    x = 14,676,817.58/4,431.68
  6. Step 6: Final answer
    x = 3,311.80

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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.